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Observed 10:10 PM CDT at KIAH

Dayton, TX weather

Clear and 66°19°.

Today: low 58°14° (likely 51°11° to 58°14°), high 85°29° (likely 84°29° to 86°30°).

Forecasts agree

Now 66°19°

Clear

Wind
3 mph5 km/h
From the south. Up to 5 mph8 km/h through 10 AM
Dew point
50°10°
Comfortable · up to 60°16° by 11 PM (sticky)
UV tomorrow
6High
High 1–3 PM · peak 6
Pressure
30.14 inHg1021 hPa
Rising slowly · +0.04 inHg+1.4 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

3°1° warmer than this time yesterday (64°18° then, 67°19° now)

Good hours for
  • Low 59°15° tomorrow at 7 AM
  • Above 70°21° tomorrow by 10 AM
  • High 85°29° tomorrow at 3 PM
  • Below 70°21° tomorrow night after 9 PM
  1. TonightDown to 60°16° by 4 AM · Clear
  2. Tomorrow morningUp to 77°25° by 11 AM · Clear
  3. Tomorrow afternoonUp to 85°29° by 3 PM · Clear
  4. Tomorrow nightDown to 62°17° by 4 AM · Clear
  5. Sunday morningUp to 74°23° by 11 AM · Mostly cloudy
  6. Sunday afternoonNear 77°25° · Mostly cloudy
  7. Sunday nightDown to 66°19° by 9 PM · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Fri 10pClear65°18° (likely 65°18° to 68°20°)65°18°0%0 mph0 km/h, gusts 5 mph8 km/h84%0%0
Fri 11pClear64°18° (likely 63°17° to 67°19°)64°18°0%0 mph0 km/h, gusts 6 mph9 km/h87%0%0
Sat 12aClear63°17° (likely 62°17° to 66°19°)63°17°0%0 mph0 km/h, gusts 6 mph9 km/h93%0%0
Sat 1aClear62°17° (likely 61°16° to 65°18°)62°17°0%0 mph0 km/h, gusts 5 mph8 km/h97%0%0
Sat 2aClear61°16° (likely 60°16° to 65°18°)61°16°0%0 mph0 km/h, gusts 4 mph6 km/h97%0%0
Sat 3aClear61°16° (likely 59°15° to 65°18°)61°16°0%0 mph0 km/h, gusts 5 mph8 km/h97%0%0
Sat 4aClear60°16° (likely 58°14° to 63°17°)60°16°0%0 mph0 km/h, gusts 5 mph9 km/h100%1%0
Sat 5aClear60°16° (likely 57°14° to 62°17°)60°16°0%0 mph0 km/h, gusts 6 mph10 km/h96%3%0
Sat 6aClear60°16° (likely 57°14° to 61°16°)60°16°0%0 mph0 km/h, gusts 7 mph11 km/h96%7%0
Sat 7aSunny59°15° (likely 57°14° to 61°16°)59°15°0%5 mph8 km/h from NE, gusts 8 mph12 km/h100%10%0
Sat 8aSunny60°16° (likely 58°14° to 63°17°)60°16°0%5 mph8 km/h from NE, gusts 9 mph14 km/h100%12%0
Sat 9aSunny64°18° (likely 63°17° to 69°21°)64°18°0%5 mph8 km/h from E, gusts 10 mph16 km/h97%2%1
Sat 10aSunny72°22° (likely 71°22° to 74°23°)72°22°0%5 mph8 km/h from E, gusts 12 mph19 km/h76%2%2
Sat 11aSunny77°25° (likely 77°25° to 78°26°)77°25°0%5 mph8 km/h from E, gusts 13 mph20 km/h62%3%4
Sat 12pSunny81°27° (likely 80°27° to 82°28°)82°28°0%5 mph8 km/h from E, gusts 12 mph20 km/h53%17%5
Sat 1pSunny83°28° (likely 81°27° to 83°28°)83°28°0%10 mph16 km/h from E, gusts 12 mph19 km/h48%17%6
Sat 2pSunny83°28° (likely 83°28° to 85°29°)83°28°0%10 mph16 km/h from E, gusts 12 mph19 km/h46%20%6
Sat 3pMostly sunny85°29° (likely 84°29° to 85°29°)85°29°0%10 mph16 km/h from SE, gusts 12 mph19 km/h43%31%5
Sat 4pMostly sunny83°28° (likely 83°28° to 85°29°)83°28°0%10 mph16 km/h from E, gusts 13 mph20 km/h44%30%4
Sat 5pMostly sunny83°28° (likely 81°27° to 83°28°)83°28°0%10 mph16 km/h from SE, gusts 14 mph23 km/h46%31%2
Sat 6pSunny80°27° (likely 78°26° to 80°27°)81°27°0%5 mph8 km/h from SE, gusts 16 mph25 km/h51%5%1
Sat 7pClear75°24° (likely 73°23° to 76°24°)75°24°0%5 mph8 km/h from SE, gusts 14 mph23 km/h62%18%0
Sat 8pClear70°21° (likely 69°21° to 73°23°)70°21°0%5 mph8 km/h from SE, gusts 11 mph18 km/h76%22%0
Sat 9pClear68°20° (likely 67°19° to 70°21°)68°20°0%5 mph8 km/h from SE, gusts 10 mph17 km/h84%23%0
Sat 10pMostly clear66°19° (likely 66°19° to 69°21°)66°19°0%0 mph0 km/h, gusts 10 mph16 km/h90%25%0
Sat 11pClear65°18° (likely 64°18° to 68°20°)65°18°0%0 mph0 km/h, gusts 9 mph15 km/h93%11%0
Sun 12aMostly clear65°18° (likely 63°17° to 67°19°)65°18°0%0 mph0 km/h, gusts 9 mph14 km/h93%24%0
Sun 1aMostly clear64°18° (likely 63°17° to 66°19°)64°18°0%0 mph0 km/h, gusts 8 mph12 km/h97%20%0
Sun 2aMostly clear63°17° (likely 62°17° to 65°18°)63°17°0%0 mph0 km/h, gusts 7 mph11 km/h97%22%0
Sun 3aClear63°17° (likely 61°16° to 65°18°)63°17°0%0 mph0 km/h, gusts 6 mph9 km/h93%7%0
Sun 4aMostly clear62°17° (likely 60°16° to 64°18°)62°17°0%5 mph8 km/h from E, gusts 6 mph10 km/h97%52%0
Sun 5aMostly clear62°17° (likely 60°16° to 64°18°)62°17°0%5 mph8 km/h from E, gusts 7 mph11 km/h93%57%0
Sun 6aPartly cloudy61°16° (likely 59°15° to 63°17°)61°16°0%5 mph8 km/h from E, gusts 7 mph12 km/h93%76%0
Sun 7aCloudy61°16° (likely 59°15° to 63°17°)61°16°0%5 mph8 km/h from E, gusts 8 mph13 km/h93%82%0
Sun 8aCloudy60°16° (likely 60°16° to 64°18°)60°16°0%5 mph8 km/h from E, gusts 10 mph16 km/h96%83%0
Sun 9aCloudy64°18° (likely 64°18° to 68°20°)64°18°0%5 mph8 km/h from E, gusts 14 mph22 km/h81%82%1
Sun 10aCloudy70°21° (likely 70°21° to 72°22°)70°21°0%5 mph8 km/h from E, gusts 15 mph25 km/h66%64%2
Sun 11aCloudy74°23° (likely 74°23° to 76°24°)74°23°0%5 mph8 km/h from E, gusts 13 mph21 km/h51%81%3
Sun 12pCloudy77°25° (likely 77°25° to 79°26°)77°25°0%5 mph8 km/h from E, gusts 15 mph24 km/h43%81%4
Sun 1pCloudy78°26° (likely 78°26° to 81°27°)78°26°0%5 mph8 km/h from E, gusts 14 mph23 km/h39%88%5
Sun 2pCloudy80°27° (likely 79°26° to 82°28°)79°26°0%5 mph8 km/h from E, gusts 14 mph22 km/h34%93%5
Sun 3pCloudy80°27° (likely 80°27° to 82°28°)79°26°0%5 mph8 km/h from E, gusts 13 mph20 km/h33%75%5
Sun 4pCloudy79°26° (likely 79°26° to 82°28°)79°26°0%5 mph8 km/h from E, gusts 12 mph19 km/h34%92%3
Sun 5pPartly sunny77°25° (likely 77°25° to 81°27°)77°25°0%5 mph8 km/h from E, gusts 12 mph19 km/h37%74%2
Sun 6pCloudy73°23° (likely 73°23° to 77°25°)73°23°0%5 mph8 km/h from E, gusts 10 mph15 km/h44%89%1
Sun 7pCloudy70°21° (likely 69°21° to 73°23°)70°21°0%0 mph0 km/h, gusts 7 mph11 km/h51%94%0
Sun 8pCloudy68°20° (likely 64°18° to 70°21°)68°20°0%0 mph0 km/h, gusts 6 mph9 km/h55%95%0
Sun 9pCloudy66°19° (likely 62°17° to 69°21°)66°19°0%0 mph0 km/h, gusts 6 mph9 km/h58%95%0

Days ahead

Tap a day for its hours and the official wording.
  1. Today, Oct 23. Mostly sunny. High 85°29°, low 58°14°. Dry. Forecasts agree.
    1. Evening

      6 PM–midnight

      Clear, 64°18°

      Dry

    2. Overnight

      midnight–6 AM

      Clear, 60°16°

      Dry

    Official NWS forecast

    Tonight: Mostly clear, with a low around 58. East wind around 0 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    84°29°–86°30°
    Low, likely
    51°11°–58°14°
    Wind
    7 mph12 km/h
    UV peak
    6
  2. Tomorrow, Oct 24. Mostly sunny. High 85°29°, low 60°16°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 60°16°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 85°29°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 70°21°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 62°17°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 85. East wind 0 to 10 mph.

    Night: Mostly clear, with a low around 60. Southeast wind 0 to 5 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    84°29°–85°29°
    Low, likely
    57°14°–61°16°
    Wind
    11 mph17 km/h, gusts 21 mph33 km/h
    UV peak
    6
  3. Sunday, Oct 25. Cloudy. High 80°27°, low 59°15°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 60°16°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 80°27°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 68°20°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°16°

      Dry

    Official NWS forecast

    Day: Mostly sunny. High near 80, with temperatures falling to around 77 in the afternoon. East wind around 5 mph.

    Night: Mostly cloudy, with a low around 59. Northeast wind 0 to 5 mph.

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

    High, likely
    79°26°–82°28°
    Low, likely
    59°15°–63°17°
    Wind
    9 mph15 km/h, gusts 19 mph31 km/h
    UV peak
    5
  4. Monday, Oct 26. Cloudy. High 81°27°, low 60°16°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 60°15°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 82°28°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 69°21°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 81.

    Night: Mostly cloudy, with a low around 60.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    81°27°–83°28°
    Low, likely
    56°13°–62°17°
    Wind
    10 mph16 km/h, gusts 18 mph29 km/h
    UV peak
    6
  5. Tuesday, Oct 27. Cloudy. High 81°27°, low 61°16°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 62°17°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 82°28°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 71°22°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 65°18°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 81.

    Night: Mostly cloudy, with a low around 61.

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

    High, likely
    80°27°–83°28°
    Low, likely
    57°14°–61°16°
    Wind
    9 mph15 km/h, gusts 16 mph26 km/h
    UV peak
    5
  6. Wednesday, Oct 28. Partly sunny. High 83°28°, low 59°15°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 66°19°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 84°29°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 72°22°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 62°17°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 83.

    Night: Partly cloudy, with a low around 59.

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

    High, likely
    80°27°–85°29°
    Low, likely
    59°15°–67°19°
    Wind
    12 mph19 km/h, gusts 20 mph31 km/h
    UV peak
    5
  7. Thursday, Oct 29. Partly sunny. High 83°28°, low 60°16°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 65°18°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 84°29°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 71°22°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 62°17°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 60. Chance of precipitation is 20%.

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

    High, likely
    81°27°–86°30°
    Low, likely
    59°15°–65°18°
    Wind
    13 mph21 km/h, gusts 18 mph29 km/h
    UV peak
    4
  8. Friday, Oct 30. Cloudy. High 81°27°, low 64°18°. Rain 0.07 in1.8 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 64°18°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 82°28°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 74°23°

      20% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 68°20°

      30% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers after 7am. Partly sunny, with a high near 81.

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

    High, likely
    78°26°–83°28°
    Low, likely
    64°18°–66°19°
    Wind
    11 mph18 km/h, gusts 20 mph32 km/h
    UV peak
    5
  9. Saturday, Oct 31. Cloudy. High 83°28°, low 68°20°. Rain 0.45 in11 mm, 30% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 70°21°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 82°28°

      30% chance · 0.22 in5.5 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 73°23°

      30% chance · 0.31 in7.9 mm

    4. Overnight

      midnight–6 AM

      Mostly clear, 70°21°

      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 agreeIndependent forecasts are close; the range is narrow.

    High, likely
    82°28°–83°28°
    Low, likely
    64°18°–70°21°
    Wind
    16 mph25 km/h, gusts 21 mph34 km/h
    UV peak
    4
  10. Sunday, Nov 1. Showers. High 81°27°, low 70°21°. Rain 0.58 in15 mm, 20% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 72°22°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 81°27°

      20% chance · 0.19 in4.9 mm

    3. Evening

      6 PM–midnight

      Drizzle, 73°23°

      20% chance · 0.23 in5.7 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
    78°26°–85°29°
    Low, likely
    67°19°–71°22°
    Wind
    11 mph18 km/h, gusts 23 mph36 km/h
    UV peak
    4

The outlook

  1. Today

    Dry, high 85°, low 58°.

  2. Tomorrow

    Dry, high 85°, low 60°.

  3. Sunday

    Dry, high 80°, low 59°, cooling off.

  4. Rest of week

    Mostly dry, highs 81–83°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (HGX) (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

Trinity River at Liberty

7.7 mi
Below flood stage
Level
6.7 ft
Flow
1,380 cfs

Forecast peak 6.7 ft Sat 1 AM

Reading from Fri 9:15 PM · NWS gauge page

Trinity River near Moss Bluff

11 mi
Below flood stage
Level
2.8 ft
Flow
3,170 cfs

Forecast peak 2.8 ft Sat 1 AM

Reading from Fri 9:30 PM · NWS gauge page

San Jacinto River near Sheldon

13 mi
Below flood stage
Level
2.3 ft
Flow
2,900 cfs

Forecast peak 2.5 ft Sat 7 PM

Reading from Fri 9:55 PM · NWS gauge page

Cedar Bayou near Crosby

4.1 mi
Below flood stage
Level
36.5 ft
Flow
2 cfs

Reading from Fri 9:30 PM · NWS gauge page

Sun & moon

Sun

Sunrise 7:27 AM, sunset 6:40 PM.

Daylight
11 h 13 min
Losing 1 min 38 s a day; shortest Dec 21, 1 h 1 min less
Golden hour
6:07–6:55 PM
Morning 7:12–7:59 AM
Blue hour
6:55–7:04 PM
Morning 7:02–7:12 AM; first light 7:02 AM

Stars tonight? Good

Clear 10:37 PM–7:03 AM; moon 96% lit, sets 5:48 AM.

Moon

Waxing gibbous

95% lit · growing

Today
sets 4:47 AM · rises 5:04 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Dayton. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.