Skip to forecast
Search a place

Observed 10:05 AM MDT at KLGU

Plymouth, UT weather

Overcast and 43°6°.

Today: low 35°2° (likely 35°2° to 41°5°), high 58°14° (likely 55°13° to 58°14°).

Forecasts agree

Now 43°6°

Cloudy · Feels like 39°4°

Wind
7 mph11 km/h
From the north-northwest. 58–8 mph13 km/h through 10 PM
Dew point
37°3°
Comfortable
UV index
0Low
Moderate 12–4 PM · peak 3
Air quality
14Good
Main pollutant: Ozone

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

9°5° cooler than this time yesterday (51°11° then, 42°6° now)

Good hours for
  • Above 50°10° today by noon
  • High 58°14° today at 4 PM
  • Below 50°10° tonight after 8 PM
  • Low 35°2° tomorrow at 8 AM
  1. This morningUp to 47°8° by 11 AM · Clear
  2. This afternoonUp to 58°14° by 4 PM · Clear
  3. TonightDown to 37°3° by 5 AM · Clear
  4. Tomorrow morningUp to 48°9° by 11 AM · Partly cloudy
  5. Tomorrow afternoonUp to 58°14° by 3 PM · Partly cloudy
  6. Tomorrow nightDown to 38°3° by 5 AM · Partly cloudy
  7. Monday morningNear 39°4° · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 10aSunny43°6° (likely 42°6° to 44°7°)38°3°0%8 mph13 km/h from N, gusts 7 mph12 km/h93%35%0
Sat 11aSunny47°8° (likely 45°7° to 47°8°)43°6°0%8 mph13 km/h from N, gusts 8 mph13 km/h83%11%2
Sat 12pSunny50°10° (likely 49°9° to 51°11°)48°9°0%5 mph8 km/h from NNE, gusts 8 mph13 km/h74%5%3
Sat 1pSunny54°12° (likely 52°11° to 54°12°)54°12°0%5 mph8 km/h from NNE, gusts 8 mph13 km/h68%6%3
Sat 2pSunny56°13° (likely 54°12° to 56°13°)56°13°0%5 mph8 km/h from NNE, gusts 8 mph13 km/h62%5%3
Sat 3pSunny57°14° (likely 55°13° to 57°14°)57°14°0%6 mph10 km/h from NNE, gusts 11 mph17 km/h58%5%3
Sat 4pSunny58°14° (likely 55°13° to 58°14°)58°14°0%6 mph10 km/h from NNE, gusts 10 mph17 km/h58%3%2
Sat 5pSunny56°13° (likely 55°13° to 57°14°)56°13°0%6 mph10 km/h from NNE, gusts 8 mph13 km/h59%0%1
Sat 6pSunny55°13° (likely 52°11° to 55°13°)55°13°0%6 mph10 km/h from N, gusts 8 mph13 km/h66%0%1
Sat 7pClear52°11° (likely 48°9° to 52°11°)52°11°0%6 mph10 km/h from N, gusts 8 mph12 km/h76%0%0
Sat 8pClear47°8° (likely 46°8° to 49°9°)44°7°0%6 mph10 km/h from N, gusts 8 mph13 km/h79%0%0
Sat 9pClear46°8° (likely 45°7° to 47°8°)42°6°0%7 mph11 km/h from NNE, gusts 8 mph13 km/h81%1%0
Sat 10pClear44°7° (likely 43°6° to 45°7°)40°4°0%7 mph11 km/h from NNE, gusts 9 mph14 km/h85%1%0
Sat 11pClear43°6° (likely 41°5° to 44°7°)39°4°0%7 mph11 km/h from NNE, gusts 9 mph14 km/h85%1%0
Sun 12aClear42°6° (likely 40°4° to 43°6°)38°3°0%6 mph10 km/h from N, gusts 10 mph16 km/h86%0%0
Sun 1aClear41°5° (likely 39°4° to 42°6°)37°3°0%6 mph10 km/h from N, gusts 8 mph13 km/h89%0%0
Sun 2aClear40°4° (likely 38°3° to 42°6°)36°2°0%6 mph10 km/h from N, gusts 7 mph12 km/h88%10%0
Sun 3aClear40°4° (likely 38°3° to 41°5°)38°3°0%3 mph5 km/h from N, gusts 8 mph13 km/h89%9%0
Sun 4aClear39°4° (likely 37°3° to 41°5°)37°3°0%3 mph5 km/h from N, gusts 4 mph7 km/h89%12%0
Sun 5aPartly cloudy37°3° (likely 37°3° to 40°4°)34°1°0%3 mph5 km/h from N, gusts 6 mph9 km/h90%18%0
Sun 6aClear37°3° (likely 36°2° to 40°4°)34°1°0%3 mph5 km/h from NNE, gusts 6 mph9 km/h94%13%0
Sun 7aPartly cloudy36°2° (likely 35°2° to 40°4°)33°1°0%3 mph5 km/h from NNE, gusts 5 mph8 km/h96%25%0
Sun 8aSunny35°2° (likely 35°2° to 39°4°)32°0°0%3 mph5 km/h from NNE, gusts 4 mph7 km/h97%25%0
Sun 9aMostly sunny38°3° (likely 37°3° to 41°5°)38°3°0%2 mph3 km/h from NE, gusts 5 mph8 km/h94%57%0
Sun 10aMostly sunny43°6° (likely 43°6° to 46°8°)43°6°0%2 mph3 km/h from NE, gusts 3 mph4 km/h85%45%1
Sun 11aCloudy48°9° (likely 47°8° to 51°11°)48°9°0%2 mph3 km/h from NE, gusts 3 mph4 km/h76%60%3
Sun 12pCloudy52°11° (likely 51°11° to 53°12°)52°11°0%5 mph8 km/h from SSW, gusts 3 mph6 km/h68%52%4
Sun 1pMostly sunny55°13° (likely 53°12° to 56°13°)55°13°0%5 mph8 km/h from SSW, gusts 5 mph8 km/h64%29%4
Sun 2pSunny56°13° (likely 55°13° to 57°14°)56°13°0%5 mph8 km/h from SSW, gusts 5 mph9 km/h61%23%4
Sun 3pSunny58°14° (likely 56°13° to 58°14°)58°14°0%6 mph10 km/h from SSW, gusts 6 mph9 km/h59%15%4
Sun 4pSunny56°13° (likely 56°13° to 58°14°)56°13°0%6 mph10 km/h from SSW, gusts 6 mph10 km/h59%18%3
Sun 5pSunny56°13° (likely 55°13° to 58°14°)56°13°0%6 mph10 km/h from SSW, gusts 7 mph11 km/h61%17%2
Sun 6pSunny55°13° (likely 53°12° to 55°13°)55°13°0%3 mph5 km/h from SSW, gusts 6 mph10 km/h68%16%1
Sun 7pClear49°9° (likely 49°9° to 51°11°)48°9°0%3 mph5 km/h from SSW, gusts 6 mph10 km/h80%18%0
Sun 8pClear47°8° (likely 46°8° to 49°9°)46°8°0%3 mph5 km/h from SSW, gusts 4 mph7 km/h85%20%0
Sun 9pClear46°8° (likely 44°7° to 48°9°)46°8°0%2 mph3 km/h from S, gusts 5 mph7 km/h85%21%0
Sun 10pMostly clear45°7° (likely 43°6° to 47°8°)45°7°0%2 mph3 km/h from S, gusts 5 mph8 km/h87%55%0
Sun 11pMostly clear44°7° (likely 42°6° to 46°8°)44°7°0%2 mph3 km/h from S, gusts 6 mph10 km/h88%49%0
Mon 12aMostly clear43°6° (likely 41°5° to 46°8°)43°6°0%1 mph2 km/h from E, gusts 6 mph10 km/h89%51%0
Mon 1aMostly clear42°6° (likely 41°5° to 45°7°)42°6°0%1 mph2 km/h from E, gusts 6 mph10 km/h90%46%0
Mon 2aMostly clear41°5° (likely 41°5° to 45°7°)41°5°0%1 mph2 km/h from E, gusts 6 mph10 km/h91%46%0
Mon 3aMostly clear40°4° (likely 40°4° to 45°7°)40°4°0%1 mph2 km/h from E, gusts 7 mph11 km/h92%71%0
Mon 4aMostly clear39°4° (likely 39°4° to 44°7°)39°4°0%1 mph2 km/h from E, gusts 7 mph11 km/h94%48%0
Mon 5aCloudy38°3° (likely 38°3° to 44°7°)38°3°0%1 mph2 km/h from E, gusts 7 mph10 km/h95%73%0
Mon 6aPartly cloudy38°3° (likely 38°3° to 44°7°)38°3°0%1 mph2 km/h from E, gusts 6 mph10 km/h97%65%0
Mon 7aPartly cloudy37°3° (likely 36°2° to 44°7°)37°3°0%1 mph2 km/h from E, gusts 5 mph8 km/h100%48%0
Mon 8aPartly sunny38°3° (likely 35°2° to 43°6°)38°3°0%1 mph2 km/h from E, gusts 6 mph9 km/h100%47%0
Mon 9aPartly sunny39°4° (likely 35°2° to 46°8°)39°4°0%2 mph3 km/h from ENE, gusts 6 mph10 km/h99%40%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 58°14°, low 35°2°. Typical 59°15° / 28°−2°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 47°8°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 37°3°

      Dry

    Official NWS forecast

    Today: Sunny. High near 58, with temperatures falling to around 56 in the afternoon. North northeast wind 5 to 8 mph.

    Tonight: Mostly clear. Low around 35, with temperatures rising to around 37 overnight. North northeast wind 3 to 7 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    55°13°–58°14°
    Low, likely
    35°2°–41°5°
    Typical high / low
    59°15° / 28°−2°
    Wind
    14 mph23 km/h, gusts 24 mph38 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Mostly sunny. High 58°14°, low 37°3°. Typical 58°14° / 28°−2°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 35°2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 47°8°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 38°3°

      Dry

    Official NWS forecast

    Day: Patchy frost before 9am. Sunny. High near 58, with temperatures falling to around 56 in the afternoon. North northeast wind 2 to 6 mph.

    Night: Mostly clear, with a low around 37. Southeast wind around 3 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    56°13°–58°14°
    Low, likely
    35°2°–39°4°
    Typical high / low
    58°14° / 28°−2°
    Wind
    9 mph15 km/h
    UV peak
    4
  3. Monday, Oct 26. Partly sunny. High 59°15°, low 36°2°. Typical 58°14° / 28°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Rain, 50°10°

      50% chance · 0.21 in5.4 mm

    4. Overnight

      midnight–6 AM

      Showers, 39°4°

      50% chance · 0.08 in2 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy frost before 9am. Mostly sunny, with a high near 59. Southeast wind 1 to 10 mph.

    Night: A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    57°14°–60°16°
    Low, likely
    36°2°–43°6°
    Typical high / low
    58°14° / 28°−2°
    Wind
    16 mph26 km/h, gusts 43 mph69 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Rain. High 54°12°, low 33°1°. Typical 57°14° / 27°−3°. Rain 0.09 in2.3 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 37°3°

      40% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Sunny, 51°11°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 43°6°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 35°2°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 54.

    Night: Partly cloudy, with a low around 33.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    49°9°–54°12°
    Low, likely
    32°0°–40°4°
    Typical high / low
    57°14° / 27°−3°
    Wind
    13 mph21 km/h, gusts 22 mph35 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 58°14°, low 37°3°. Typical 57°14° / 27°−3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 34°1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 54°12°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 45°7°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 40°4°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy frost before noon. Mostly sunny, with a high near 58.

    Night: Partly cloudy, with a low around 37.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    52°11°–58°14°
    Low, likely
    29°−2°–38°3°
    Typical high / low
    57°14° / 27°−3°
    Wind
    8 mph13 km/h, gusts 15 mph24 km/h
    UV peak
    4
  6. Thursday, Oct 29. Cloudy. High 60°16°, low 40°4°. Typical 56°13° / 27°−3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 40°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 50°10°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 45°7°

      30% chance · 0.06 in1.5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 60.

    Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 40.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    56°13°–60°16°
    Low, likely
    35°2°–43°6°
    Typical high / low
    56°13° / 27°−3°
    Wind
    8 mph14 km/h, gusts 21 mph34 km/h
    UV peak
    3
  7. Friday, Oct 30. Rain. High 59°15°, low 39°4°. Typical 56°13° / 26°−3°. Rain 0.49 in12 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 45°7°

      50% chance · 0.16 in4.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 51°10°

      50% chance · 0.15 in3.9 mm

    3. Evening

      6 PM–midnight

      Drizzle, 47°8°

      50% chance · 0.16 in4 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 40°5°

      60% chance · 0.09 in2.3 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 59.

    Night: A chance of rain. Mostly cloudy, with a low around 39.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    47°8°–59°15°
    Low, likely
    38°3°–45°7°
    Typical high / low
    56°13° / 26°−3°
    Wind
    19 mph30 km/h, gusts 33 mph54 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 47°8°, low 35°2°. Typical 55°13° / 26°−3°. Rain 0.2 in5.1 mm, 60% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 39°4°

      50% chance · 0.13 in3.4 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 46°8°

      50% chance · 0.09 in2.2 mm

    3. Evening

      6 PM–midnight

      Clear, 39°4°

      30% chance · 0.03 in0.7 mm

    4. Overnight

      midnight–6 AM

      Mostly clear, 34°1°

      30% chance · 0.03 in0.7 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    45°7°–50°10°
    Low, likely
    28°−2°–42°6°
    Typical high / low
    55°13° / 26°−3°
    Wind
    8 mph13 km/h, gusts 24 mph39 km/h
    UV peak
    3
  9. Sunday, Nov 1. Mostly sunny. High 46°8°, low 33°1°. Typical 55°13° / 26°−3°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 35°2°

      30% chance · 0.01 in0.3 mm

    2. Afternoon

      noon–6 PM

      Sunny, 47°8°

      30% chance

    3. Evening

      6 PM–midnight

      Clear, 40°5°

      20% chance · 0.02 in0.5 mm

    4. Overnight

      midnight–6 AM

      Clear, 32°0°

      20% chance · 0.02 in0.6 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    40°4°–51°11°
    Low, likely
    25°−4°–41°5°
    Typical high / low
    55°13° / 26°−3°
    Wind
    5 mph8 km/h, gusts 16 mph25 km/h
    UV peak
    4
  10. Monday, Nov 2. Drizzle. High 48°9°, low 33°1°. Typical 54°12° / 26°−3°. Rain 0.13 in3.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 33°0°

      20% chance · 0.3 in0.8 cm

    2. Afternoon

      noon–6 PM

      Cloudy, 45°7°

      20% chance · 0.2 in0.6 cm

    3. Evening

      6 PM–midnight

      Cloudy, 40°5°

      20% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    43°6°–54°12°
    Low, likely
    30°−1°–37°3°
    Typical high / low
    54°12° / 26°−3°
    Wind
    7 mph11 km/h, gusts 22 mph36 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 58°, low 35°.

  2. Tomorrow

    Dry, high 58°, low 37°.

  3. Monday

    Dry, high 59°, low 36°.

  4. Rest of week

    Highs 46–60°; chance of precipitation on Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SLC) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Bear River at Idaho-Utah State Line

15 mi
Below flood stage
Level
9.1 ft
Flow
317 cfs

Forecast peak 9.2 ft Sun 10 AM

Reading from Sat 8:45 AM · NWS gauge page

Bear River near Corinne

21 mi
Below flood stage
Level
4.7 ft
Flow
859 cfs

Forecast peak 4.4 ft Sat 10 PM

Reading from Sat 8:30 AM · NWS gauge page

Logan River near Logan

21 mi
Below flood stage
Level
2.6 ft
Flow
98 cfs

Forecast peak 2.6 ft Sat 10 AM

Reading from Sat 9 AM · NWS gauge page

Malad River at WOODRUFF

12 mi
Level
2.5 ft
Flow
12 cfs

Reading from Sat 8:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 76% less heating than a typical week.

This week 38Typical 159

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
30
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Trenton · official normals 1991–2020 · records 1944–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Normal high / low
59°15° / 28°−2°
Forecast high / low
58°14° / 35°2°
Record high
75°24° in 1944
Record low
16°−9° in 1995

Last 7 days vs normal

  1. —SunOct 18
  2. —MonOct 19
  3. —TueOct 20
  4. —WedOct 21
  5. —ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Plymouth weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:51 AM, sunset 6:33 PM.

Daylight
10 h 42 min
Losing 2 min 35 s a day; shortest Dec 21, 1 h 34 min less
Golden hour
5:54–6:50 PM
Morning 7:34–8:30 AM
Blue hour
6:50–7:01 PM
Morning 7:23–7:34 AM; first light 7:23 AM

Stars tonight? Fair

Clear 7:01 PM–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 6:09 AM · rises 5:33 PM
Full moon
Oct 25
New moon
Nov 9
Looking east from Plymouth. The highest point on the skyline is about 9,700 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 5.5× taller. Sky, sun and moon as they are now.