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Observed 6:25 AM EDT at KDAY

Dayton, OH weather

Clear and 45°7°.

Today: low 45°7° (likely 40°4° to 45°7°), high 70°21° (likely 67°19° to 70°21°).

Forecasts agree

Now 45°7°

Clear

Wind
3 mph5 km/h
From the north. Up to 6 mph10 km/h through 7 PM
Dew point
41°5°
Comfortable
UV index
0Low
Moderate 12–4 PM · peak 4
Air quality
66Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.32 inHg1027 hPa
Rising slowly · +0.03 inHg+0.9 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (45°7° then, 45°7° now)

Good hours for
  • Above 60°16° today by 11 AM
  • High 70°21° today at 5 PM
  • Below 60°16° tonight after 9 PM
  1. This morningUp to 60°16° by 11 AM · Clear
  2. This afternoonUp to 70°21° by 5 PM · Clear
  3. TonightDown to 46°8° by 5 AM · Clear
  4. Tomorrow morningUp to 60°16° by 11 AM · Clear
  5. Tomorrow afternoonUp to 70°21° by 4 PM · Partly cloudy
  6. Tomorrow nightDown to 45°7° by 5 AM · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Fri 7aClear45°7° (likely 41°5° to 45°7°)45°7°0%1 mph2 km/h from NE, gusts 4 mph6 km/h86%3%0
Fri 8aSunny45°7° (likely 40°4° to 45°7°)45°7°0%2 mph3 km/h from NE, gusts 3 mph5 km/h85%2%0
Fri 9aSunny47°8° (likely 43°6° to 48°9°)46°8°0%3 mph5 km/h from NE, gusts 3 mph5 km/h87%1%0
Fri 10aSunny54°12° (likely 49°9° to 54°12°)54°12°0%2 mph3 km/h from E, gusts 5 mph7 km/h74%1%1
Fri 11aSunny60°16° (likely 56°13° to 60°16°)60°16°0%3 mph5 km/h from E, gusts 8 mph13 km/h58%0%2
Fri 12pSunny64°18° (likely 61°16° to 64°18°)64°18°0%5 mph8 km/h from E, gusts 8 mph13 km/h51%0%3
Fri 1pSunny66°19° (likely 65°18° to 67°19°)66°19°0%5 mph8 km/h from E, gusts 10 mph17 km/h44%0%4
Fri 2pSunny69°21° (likely 67°19° to 69°21°)69°21°0%5 mph8 km/h from E, gusts 10 mph16 km/h41%0%4
Fri 3pSunny69°21° (likely 67°19° to 69°21°)69°21°0%6 mph10 km/h from E, gusts 10 mph16 km/h40%4%3
Fri 4pSunny69°21° (likely 67°19° to 69°21°)69°21°0%6 mph10 km/h from E, gusts 10 mph17 km/h40%4%2
Fri 5pSunny70°21° (likely 67°19° to 70°21°)70°21°0%6 mph10 km/h from E, gusts 11 mph18 km/h40%7%1
Fri 6pSunny68°20° (likely 64°18° to 68°20°)68°20°0%6 mph10 km/h from E, gusts 12 mph19 km/h42%7%0
Fri 7pClear65°18° (likely 59°15° to 65°18°)65°18°0%5 mph8 km/h from E, gusts 8 mph13 km/h49%3%0
Fri 8pClear61°16° (likely 55°13° to 61°16°)61°16°0%3 mph5 km/h from E, gusts 8 mph13 km/h56%0%0
Fri 9pClear57°14° (likely 53°12° to 57°14°)57°14°0%2 mph3 km/h from E, gusts 7 mph12 km/h72%1%0
Fri 10pClear54°12° (likely 51°11° to 54°12°)54°12°0%2 mph3 km/h from E, gusts 6 mph10 km/h78%1%0
Fri 11pClear53°12° (likely 50°10° to 53°12°)53°12°0%2 mph3 km/h from E, gusts 6 mph10 km/h79%6%0
Sat 12aClear51°11° (likely 49°9° to 51°11°)51°11°0%1 mph2 km/h from E, gusts 6 mph10 km/h85%8%0
Sat 1aClear50°10° (likely 48°9° to 50°10°)50°10°0%1 mph2 km/h from E, gusts 6 mph10 km/h87%1%0
Sat 2aClear49°9° (likely 46°8° to 49°9°)49°9°0%1 mph2 km/h from E, gusts 5 mph7 km/h85%1%0
Sat 3aClear48°9° (likely 45°7° to 48°9°)48°9°0%2 mph3 km/h from E, gusts 5 mph7 km/h90%2%0
Sat 4aClear47°8° (likely 44°7° to 47°8°)47°8°0%2 mph3 km/h from E, gusts 4 mph7 km/h89%3%0
Sat 5aClear46°8° (likely 43°6° to 46°8°)46°8°0%2 mph3 km/h from E, gusts 5 mph8 km/h90%3%0
Sat 6aClear46°8° (likely 42°6° to 46°8°)46°8°0%2 mph3 km/h from E, gusts 5 mph8 km/h90%3%0
Sat 7aClear46°8° (likely 42°6° to 46°8°)46°8°0%2 mph3 km/h from E, gusts 5 mph9 km/h89%2%0
Sat 8aSunny45°7° (likely 41°5° to 45°7°)45°7°0%1 mph2 km/h from E, gusts 5 mph8 km/h88%2%0
Sat 9aSunny48°9° (likely 43°6° to 48°9°)48°9°0%2 mph3 km/h from NE, gusts 5 mph8 km/h86%3%0
Sat 10aSunny55°13° (likely 50°10° to 55°13°)55°13°0%1 mph2 km/h from E, gusts 6 mph10 km/h73%4%1
Sat 11aSunny60°16° (likely 57°14° to 60°16°)60°16°0%2 mph3 km/h from E, gusts 9 mph15 km/h57%41%2
Sat 12pSunny64°18° (likely 62°17° to 64°18°)64°18°0%2 mph3 km/h from E, gusts 8 mph13 km/h50%41%3
Sat 1pSunny67°19° (likely 65°18° to 67°19°)67°19°0%3 mph5 km/h from E, gusts 7 mph11 km/h44%39%4
Sat 2pSunny69°21° (likely 67°19° to 69°21°)69°21°0%3 mph5 km/h from E, gusts 8 mph13 km/h42%41%4
Sat 3pSunny69°21° (likely 68°20° to 70°21°)69°21°0%3 mph5 km/h from E, gusts 7 mph12 km/h41%41%4
Sat 4pSunny70°21° (likely 68°20° to 70°21°)70°21°0%3 mph5 km/h from E, gusts 7 mph12 km/h40%42%3
Sat 5pSunny69°21° (likely 68°20° to 70°21°)69°21°0%5 mph8 km/h from E, gusts 7 mph11 km/h40%42%2
Sat 6pSunny68°20° (likely 65°18° to 68°20°)68°20°0%3 mph5 km/h from E, gusts 8 mph12 km/h44%42%1
Sat 7pClear64°18° (likely 60°16° to 64°18°)64°18°0%3 mph5 km/h from E, gusts 5 mph8 km/h50%42%0
Sat 8pClear58°14° (likely 58°14° to 59°15°)58°14°0%5 mph8 km/h from E, gusts 6 mph9 km/h62%43%0
Sat 9pPartly cloudy56°13° (likely 55°13° to 57°14°)56°13°0%3 mph5 km/h from E, gusts 7 mph12 km/h67%47%0
Sat 10pPartly cloudy54°12° (likely 53°12° to 54°12°)54°12°0%3 mph5 km/h from E, gusts 9 mph14 km/h74%51%0
Sat 11pMostly clear52°11° (likely 52°11° to 53°12°)52°11°0%3 mph5 km/h from E, gusts 10 mph16 km/h78%53%0
Sun 12aMostly clear50°10° (likely 50°10° to 53°12°)49°9°0%3 mph5 km/h from E, gusts 9 mph14 km/h86%44%0
Sun 1aMostly clear49°9° (likely 48°9° to 52°11°)49°9°0%2 mph3 km/h from SE, gusts 6 mph10 km/h87%44%0
Sun 2aClear47°8° (likely 46°8° to 52°11°)47°8°0%2 mph3 km/h from SE, gusts 4 mph6 km/h91%33%0
Sun 3aClear47°8° (likely 41°5° to 53°12°)47°8°0%2 mph3 km/h from SE, gusts 3 mph5 km/h94%25%0
Sun 4aClear46°8° (likely 39°4° to 53°12°)46°8°0%1 mph2 km/h from SE, gusts 3 mph4 km/h93%25%0
Sun 5aClear45°7° (likely 38°3° to 52°11°)45°7°0%1 mph2 km/h from SE, gusts 3 mph5 km/h97%16%0
Sun 6aClear44°7° (likely 37°3° to 51°11°)44°7°0%1 mph2 km/h from SE, gusts 3 mph5 km/h96%3%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 23. Sunny. High 70°21°, low 45°7°. Typical 63°17° / 44°7°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 70. East wind 1 to 6 mph.

    Tonight: Mostly clear, with a low around 45. East wind 1 to 6 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    67°19°–70°21°
    Low, likely
    40°4°–45°7°
    Typical high / low
    63°17° / 44°7°
    Wind
    7 mph12 km/h, gusts 15 mph23 km/h
    UV peak
    4
  2. Tomorrow, Oct 24. Mostly sunny. High 70°21°, low 43°6°. Typical 63°17° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 58°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 70. East wind 1 to 5 mph.

    Night: Partly cloudy, with a low around 43. East wind 1 to 5 mph.

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

    High, likely
    68°20°–70°21°
    Low, likely
    41°5°–44°7°
    Typical high / low
    63°17° / 43°6°
    Wind
    7 mph11 km/h, gusts 14 mph23 km/h
    UV peak
    4
  3. Sunday, Oct 25. Mostly sunny. High 73°23°, low 44°7°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 44°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 60°15°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 48°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 73. Southeast wind around 3 mph.

    Night: Mostly clear, with a low around 44.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–73°23°
    Low, likely
    39°4°–48°9°
    Typical high / low
    62°17° / 43°6°
    Wind
    6 mph9 km/h, gusts 12 mph19 km/h
    UV peak
    4
  4. Monday, Oct 26. Partly sunny. High 73°23°, low 48°9°. Typical 62°17° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 73.

    Night: Partly cloudy, with a low around 48.

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

    High, likely
    70°21°–73°23°
    Low, likely
    40°4°–50°10°
    Typical high / low
    62°17° / 42°6°
    Wind
    5 mph8 km/h, gusts 13 mph20 km/h
    UV peak
    4
  5. Tuesday, Oct 27. Cloudy. High 70°21°, low 47°8°. Typical 61°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 70.

    Night: Mostly cloudy, with a low around 47.

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

    High, likely
    69°21°–73°23°
    Low, likely
    43°6°–52°11°
    Typical high / low
    61°16° / 42°6°
    Wind
    6 mph9 km/h, gusts 13 mph21 km/h
    UV peak
    3
  6. Wednesday, Oct 28. Cloudy. High 71°22°, low 47°8°. Typical 61°16° / 42°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 71°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 71.

    Night: Partly cloudy, with a low around 47.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–73°23°
    Low, likely
    47°8°–55°13°
    Typical high / low
    61°16° / 42°6°
    Wind
    8 mph13 km/h, gusts 13 mph21 km/h
    UV peak
    4
  7. Thursday, Oct 29. Partly sunny. High 74°23°, low 47°8°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 71°21°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 74.

    Night: Partly cloudy, with a low around 47.

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

    High, likely
    67°19°–74°23°
    Low, likely
    44°7°–52°11°
    Typical high / low
    60°16° / 41°5°
    Wind
    10 mph16 km/h, gusts 21 mph34 km/h
    UV peak
    4
  8. Friday, Oct 30. Cloudy. High 67°19°, low 47°8°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      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
    59°15°–73°23°
    Low, likely
    41°5°–53°12°
    Typical high / low
    60°16° / 41°5°
    Wind
    12 mph19 km/h, gusts 20 mph33 km/h
    UV peak
    4
  9. Saturday, Oct 31. Drizzle. High 63°17°, low 47°8°. Typical 60°16° / 41°5°. Rain 0.14 in3.6 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 54°12°

      30% chance · 0.07 in1.7 mm

    4. Overnight

      midnight–6 AM

      Showers, 51°10°

      40% chance · 0.08 in1.9 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
    54°12°–69°21°
    Low, likely
    36°2°–61°16°
    Typical high / low
    60°16° / 41°5°
    Wind
    11 mph17 km/h, gusts 26 mph42 km/h
  10. Sunday, Nov 1. Showers. High 66°19°, low 52°11°. Typical 59°15° / 40°4°. Rain 0.25 in6.4 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 51°11°

      40% chance · 0.03 in0.8 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 63°17°

      40% chance

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      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
    64°18°–67°19°
    Low, likely
    45°7°–57°14°
    Typical high / low
    59°15° / 40°4°
    Wind
    11 mph18 km/h, gusts 28 mph45 km/h
    UV peak
    1

The outlook

  1. Today

    Dry, high 70°, low 45°.

  2. Tomorrow

    Dry, high 70°, low 43°.

  3. Sunday

    Dry, high 73°, low 44°, warming up.

  4. Rest of week

    Highs 63–74°; chance of precipitation on Sunday.

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

For your home

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

Heating this week

About 79% less heating than a typical week.

This week 19Typical 91

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
12
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 41°F).

Open the windows?

Today, 11:00 AM–8:00 PM

Good stretch to open the windows.

Is this typical?

Dayton International Airport · official normals 1991–2020 · records 1893–2026

Oct 23, today vs a typical year

Today’s expected high is 7°4° warmer than typical.

Normal high / low
63°17° / 44°7°
Forecast high / low
70°21° / 45°7°
Record high
83°28° in 1947
Record low
25°−4° in 1982

Last 7 days vs normal

On average 3°1° colder than normal (daily mean temperature).

  1. −10°−6°SatOct 17
  2. −5°−3°SunOct 18
  3. −2°−1°MonOct 19
  4. +1°±0°TueOct 20
  5. ±0°WedOct 21
  6. +2°+1°ThuOct 22
  7. —FriOct 23

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

Sun & moon

Sun

Sunrise 7:55 AM, sunset 6:45 PM.

Daylight
10 h 50 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
6:08–7:02 PM
Morning 7:38–8:33 AM
Blue hour
7:02–7:13 PM
Morning 7:28–7:38 AM; first light 7:28 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

91% lit · growing

Today
sets 5:01 AM · rises 5:17 PM
Full moon
Oct 26
New moon
Nov 9
Looking south from Dayton. The highest point on the skyline is about 2,100 ft, 32 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.