Skip to forecast
Search a place

Observed 11:35 AM MDT at KCDC

Newcastle, UT weather

Overcast and 43°6°, 11°6° colder than a typical Oct 24.

Today: low 32°0° (likely 32°0° to 41°5°), high 53°12° (likely 52°11° to 55°13°).

Mostly agree

Now 43°6°

Cloudy

Wind
Calm
Gusts to 24 mph39 km/h around 12 PM
Dew point
39°4°
Comfortable
UV index
2Low
Moderate 12–4 PM · peak 4

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

6°3° cooler than this time yesterday (48°9° then, 42°6° now)

Good hours for
  • Gusts to 25 mph40 km/h until noon
  • High 52°11° today at 5 PM
  • Low 33°1° tomorrow at 8 AM
  • Above 50°10° tomorrow by 1 PM
  1. This afternoonUp to 52°11° by 5 PM · rain chance 10% · gusts to 25 mph40 km/h · Mostly cloudy
  2. TonightDown to 36°2° by 5 AM · Partly cloudy
  3. Tomorrow morningUp to 44°7° by 11 AM · Clear
  4. Tomorrow afternoonUp to 58°14° by 5 PM · Clear
  5. Tomorrow nightDown to 33°1° by 5 AM · Partly cloudy
  6. Monday morningUp to 42°6° by 10 AM · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aCloudy43°6° (likely 43°6° to 47°8°)35°2°5%17 mph27 km/h from NE, gusts 25 mph41 km/h93%83%2
Sat 12pCloudy46°8° (likely 45°7° to 49°9°)40°4°10%15 mph24 km/h from NNE, gusts 24 mph39 km/h86%88%3
Sat 1pPartly sunny47°8° (likely 47°8° to 51°11°)41°5°10%15 mph24 km/h from NNE, gusts 24 mph38 km/h82%54%4
Sat 2pPartly sunny50°10° (likely 49°9° to 54°12°)45°7°10%15 mph24 km/h from NNE, gusts 20 mph32 km/h75%68%4
Sat 3pMostly sunny51°11° (likely 51°11° to 54°12°)51°11°10%14 mph23 km/h from NNE, gusts 18 mph29 km/h71%36%3
Sat 4pMostly sunny51°11° (likely 51°11° to 55°13°)51°11°10%14 mph23 km/h from NNE, gusts 18 mph28 km/h69%41%2
Sat 5pPartly sunny52°11° (likely 51°11° to 53°12°)52°11°10%14 mph23 km/h from NNE, gusts 17 mph27 km/h71%78%1
Sat 6pMostly cloudy51°11° (likely 49°9° to 52°11°)51°11°10%10 mph16 km/h from NNE, gusts 18 mph29 km/h70%80%1
Sat 7pDrizzle49°9° (likely 47°8° to 49°9°)45°7°10%10 mph16 km/h from NNE, gusts 20 mph32 km/h76%73%0
Sat 8pDrizzle47°8° (likely 46°8° to 47°8°)42°6°10%10 mph16 km/h from NNE, gusts 12 mph19 km/h82%65%0
Sat 9pPartly cloudy44°7° (likely 43°6° to 46°8°)41°5°5%6 mph10 km/h from NE, gusts 8 mph13 km/h83%43%0
Sat 10pPartly cloudy43°6° (likely 42°6° to 45°7°)39°4°5%6 mph10 km/h from NE, gusts 5 mph7 km/h88%67%0
Sat 11pPartly cloudy42°6° (likely 42°6° to 44°7°)38°3°5%6 mph10 km/h from NE, gusts 4 mph7 km/h89%64%0
Sun 12aPartly cloudy41°5° (likely 41°5° to 44°7°)39°4°5%3 mph5 km/h from ENE, gusts 5 mph7 km/h93%52%0
Sun 1aMostly clear39°4° (likely 39°4° to 42°6°)37°3°5%3 mph5 km/h from ENE, gusts 5 mph8 km/h98%42%0
Sun 2aPartly cloudy39°4° (likely 39°4° to 42°6°)37°3°5%3 mph5 km/h from ENE, gusts 5 mph7 km/h100%41%0
Sun 3aCloudy38°3° (likely 38°3° to 41°5°)38°3°5%1 mph2 km/h from ENE, gusts 4 mph7 km/h100%58%0
Sun 4aPartly cloudy37°3° (likely 37°3° to 40°4°)37°3°5%1 mph2 km/h from ENE, gusts 4 mph6 km/h100%42%0
Sun 5aPartly cloudy36°2° (likely 36°2° to 40°4°)36°2°5%1 mph2 km/h from ENE, gusts 4 mph6 km/h100%41%0
Sun 6aClear35°2° (likely 35°2° to 39°4°)35°2°0%1 mph2 km/h from SE, gusts 3 mph4 km/h100%20%0
Sun 7aPartly cloudy35°2° (likely 35°2° to 39°4°)35°2°0%1 mph2 km/h from SE, gusts 3 mph6 km/h100%22%0
Sun 8aPartly sunny33°1° (likely 33°1° to 39°4°)33°1°0%1 mph2 km/h from SE, gusts 4 mph7 km/h100%21%0
Sun 9aSunny37°3° (likely 37°3° to 41°5°)37°3°0%2 mph3 km/h from N, gusts 2 mph3 km/h100%16%0
Sun 10aSunny41°5° (likely 41°5° to 44°7°)41°5°0%2 mph3 km/h from N, gusts 3 mph5 km/h100%11%1
Sun 11aSunny44°7° (likely 44°7° to 48°9°)44°7°0%2 mph3 km/h from N, gusts 4 mph6 km/h95%11%3
Sun 12pSunny48°9° (likely 48°9° to 51°11°)47°8°0%3 mph5 km/h from N, gusts 4 mph6 km/h85%8%4
Sun 1pSunny50°10° (likely 50°10° to 54°12°)49°9°0%3 mph5 km/h from N, gusts 5 mph8 km/h78%6%5
Sun 2pSunny54°12° (likely 54°12° to 56°13°)54°12°0%3 mph5 km/h from N, gusts 5 mph9 km/h68%4%5
Sun 3pSunny56°13° (likely 56°13° to 58°14°)56°13°0%3 mph5 km/h from NNW, gusts 6 mph10 km/h62%5%5
Sun 4pSunny57°14° (likely 57°14° to 59°15°)57°14°0%3 mph5 km/h from NNW, gusts 5 mph9 km/h57%13%4
Sun 5pSunny58°14° (likely 57°14° to 58°14°)58°14°0%3 mph5 km/h from NNW, gusts 5 mph8 km/h55%7%2
Sun 6pSunny56°13° (likely 56°13° to 57°14°)56°13°0%0 mph0 km/h, gusts 5 mph8 km/h56%5%1
Sun 7pClear53°12° (likely 51°11° to 53°12°)53°12°0%0 mph0 km/h, gusts 7 mph12 km/h64%1%0
Sun 8pClear50°10° (likely 47°8° to 50°10°)50°10°0%0 mph0 km/h, gusts 8 mph13 km/h71%2%0
Sun 9pClear46°8° (likely 45°7° to 49°9°)46°8°0%0 mph0 km/h, gusts 8 mph14 km/h76%26%0
Sun 10pClear44°7° (likely 43°6° to 47°8°)44°7°0%0 mph0 km/h, gusts 7 mph11 km/h81%21%0
Sun 11pClear42°6° (likely 41°5° to 46°8°)42°6°0%0 mph0 km/h, gusts 6 mph10 km/h85%33%0
Mon 12aClear41°5° (likely 39°4° to 45°7°)41°5°0%0 mph0 km/h, gusts 6 mph10 km/h88%40%0
Mon 1aClear39°4° (likely 38°3° to 44°7°)39°4°0%0 mph0 km/h, gusts 5 mph8 km/h92%51%0
Mon 2aClear38°3° (likely 37°3° to 43°6°)38°3°0%0 mph0 km/h, gusts 4 mph6 km/h95%59%0
Mon 3aMostly clear36°2° (likely 36°2° to 42°6°)36°2°0%0 mph0 km/h, gusts 4 mph6 km/h98%55%0
Mon 4aMostly clear35°2° (likely 35°2° to 42°6°)35°2°0%0 mph0 km/h, gusts 4 mph6 km/h100%56%0
Mon 5aMostly clear33°1° (likely 33°1° to 43°6°)33°1°0%0 mph0 km/h, gusts 4 mph6 km/h100%54%0
Mon 6aMostly clear33°1° (likely 33°1° to 44°7°)33°1°0%0 mph0 km/h, gusts 4 mph6 km/h100%65%0
Mon 7aMostly clear33°1° (likely 30°−1° to 45°7°)33°1°0%0 mph0 km/h, gusts 5 mph8 km/h100%62%0
Mon 8aMostly sunny34°1° (likely 29°−2° to 44°7°)34°1°0%0 mph0 km/h, gusts 4 mph7 km/h100%60%0
Mon 9aPartly sunny37°3° (likely 31°−1° to 48°9°)37°3°0%0 mph0 km/h, gusts 4 mph7 km/h98%48%0
Mon 10aPartly sunny42°6° (likely 38°3° to 53°12°)42°6°0%0 mph0 km/h, gusts 5 mph8 km/h89%27%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Partly sunny. High 53°12°, low 32°0°. Typical 64°18° / 30°−1°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Mostly sunny, 52°11°

      Dry

    2. Evening

      6 PM–midnight

      Partly cloudy, 47°8°

      Dry

    3. Overnight

      midnight–6 AM

      Cloudy, 36°2°

      Dry

    Official NWS forecast

    Today: Mostly sunny, with a high near 53. Northeast wind 14 to 17 mph, with gusts as high as 33 mph.

    Tonight: Partly cloudy. Low around 32, with temperatures rising to around 36 overnight. Northeast wind 1 to 10 mph.

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

    High, likely
    52°11°–55°13°
    Low, likely
    32°0°–41°5°
    Typical high / low
    64°18° / 30°−1°
    Wind
    18 mph28 km/h, gusts 35 mph56 km/h
    UV peak
    5
  2. Tomorrow, Oct 25. Partly sunny. High 58°14°, low 32°0°. Typical 64°18° / 30°−1°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 33°1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 33°1°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 58. North wind around 3 mph.

    Night: Mostly clear, with a low around 32. Wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    57°14°–59°15°
    Low, likely
    32°0°–39°4°
    Typical high / low
    64°18° / 30°−1°
    Wind
    8 mph13 km/h
    UV peak
    5
  3. Monday, Oct 26. Mostly sunny. High 62°17°, low 33°1°. Typical 63°17° / 30°−1°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 34°1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 42°6°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 62. South wind 0 to 8 mph.

    Night: Mostly clear, with a low around 33.

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

    High, likely
    61°16°–63°17°
    Low, likely
    32°0°–42°6°
    Typical high / low
    63°17° / 30°−1°
    Wind
    17 mph27 km/h, gusts 27 mph44 km/h
    UV peak
    5
  4. Tuesday, Oct 27. Mostly sunny. High 63°17°, low 33°1°. Typical 63°17° / 29°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 42°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 63.

    Night: Mostly clear, with a low around 33.

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

    High, likely
    60°16°–64°18°
    Low, likely
    33°1°–44°7°
    Typical high / low
    63°17° / 29°−2°
    Wind
    18 mph29 km/h, gusts 32 mph51 km/h
    UV peak
    5
  5. Wednesday, Oct 28. Partly sunny. High 63°17°, low 35°2°. Typical 62°17° / 29°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 40°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 49°10°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 40°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 63.

    Night: Partly cloudy, with a low around 35.

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

    High, likely
    60°16°–64°18°
    Low, likely
    34°1°–44°7°
    Typical high / low
    62°17° / 29°−2°
    Wind
    15 mph24 km/h, gusts 26 mph42 km/h
    UV peak
    5
  6. Thursday, Oct 29. Cloudy. High 62°17°, low 37°3°. Typical 62°17° / 29°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 40°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 46°8°

      30% chance · 0.01 in0.3 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 62.

    Night: A chance of rain after midnight. Mostly cloudy, with a low around 37.

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

    High, likely
    60°16°–62°17°
    Low, likely
    34°1°–45°7°
    Typical high / low
    62°17° / 29°−2°
    Wind
    14 mph22 km/h, gusts 27 mph44 km/h
    UV peak
    3
  7. Friday, Oct 30. Rain. High 58°14°, low 36°2°. Typical 62°17° / 28°−2°. Rain 0.07 in1.8 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 46°8°

      30% chance · 0.02 in0.4 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 55°13°

      40% chance · 0.01 in0.3 mm

    3. Evening

      6 PM–midnight

      Cloudy, 51°10°

      40% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 42°6°

      40% chance · 0.01 in0.3 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain. Partly sunny, with a high near 58.

    Night: A chance of rain. Mostly cloudy, with a low around 36.

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

    High, likely
    53°12°–58°14°
    Low, likely
    36°2°–48°9°
    Typical high / low
    62°17° / 28°−2°
    Wind
    20 mph33 km/h, gusts 33 mph53 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 53°12°, low 38°3°. Typical 61°16° / 28°−2°. Rain 0.08 in2 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 42°6°

      40% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 53°12°

      40% chance · 0.02 in0.5 mm

    3. Evening

      6 PM–midnight

      Clear, 45°7°

      40% chance

    4. Overnight

      midnight–6 AM

      Drizzle, 36°2°

      40% 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.

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

    High, likely
    50°10°–57°14°
    Low, likely
    32°0°–44°7°
    Typical high / low
    61°16° / 28°−2°
    Wind
    20 mph32 km/h, gusts 29 mph47 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 49°9°, low 35°2°. Typical 61°16° / 28°−2°. Rain 0.14 in3.6 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 37°3°

      50% chance · 0.04 in1 mm

    2. Afternoon

      noon–6 PM

      Partly sunny, 50°10°

      40% chance · 0.06 in1.4 mm

    3. Evening

      6 PM–midnight

      Cloudy, 43°6°

      40% chance · 0.03 in0.7 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 34°1°

      40% chance · 0.04 in0.9 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
    44°7°–57°14°
    Low, likely
    30°−1°–38°3°
    Typical high / low
    61°16° / 28°−2°
    Wind
    15 mph23 km/h, gusts 27 mph44 km/h
    UV peak
    4
  10. Monday, Nov 2. Rain. High 50°10°, low 37°3°. Typical 60°16° / 28°−2°. Rain 0.22 in5.6 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 35°1°

      30% chance · 0.14 in3.7 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 52°11°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 42°6°

      Dry

    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
    44°7°–58°14°
    Low, likely
    34°1°–43°6°
    Typical high / low
    60°16° / 28°−2°
    Wind
    15 mph24 km/h, gusts 26 mph42 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 53°, low 32°.

  2. Tomorrow

    Dry, high 58°, low 32°, warming up.

  3. Monday

    Dry, high 62°, low 33°, warming up.

  4. Rest of week

    Highs 49–63°; chance of precipitation on Friday.

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

Santa Clara River near Pine Valley

20 mi
Level
2.8 ft
Flow
61 cfs

Reading from Sat 10 AM · NWS gauge page

For your home

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

Heating this week

About 68% less heating than a typical week.

This week 42Typical 133

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
32
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 24 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°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?

Enterprise · official normals 1991–2020 · records 1926–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° colder than typical.

Normal high / low
64°18° / 30°−1°
Forecast high / low
53°12° / 32°0°
Record high
78°26° in 2008
Record low
22°−6° in 2022

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

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

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

Sun & moon

Sun

Sunrise 7:51 AM, sunset 6:44 PM.

Daylight
10 h 53 min
Losing 2 min 11 s a day; shortest Dec 21, 1 h 20 min less
Golden hour
6:08–7:01 PM
Morning 7:35–8:27 AM
Blue hour
7:01–7:11 PM
Morning 7:24–7:35 AM; first light 7:24 AM

Stars tonight? Fair

Mostly clear 6–7:25 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 6:11 AM · rises 5:43 PM
Full moon
Oct 25
New moon
Nov 9
Looking southeast from Newcastle. The highest point on the skyline is about 7,700 ft, 11 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.