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°).
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.
From forecast models
Next 48 hours
This morningUp to 60°16° by 11 AM · Clear
This afternoonUp to 70°21° by 5 PM · Clear
TonightDown to 46°8° by 5 AM · Clear
Tomorrow morningUp to 60°16° by 11 AM · Clear
Tomorrow afternoonUp to 70°21° by 4 PM · Partly cloudy
Tomorrow nightDown to 45°7° by 5 AM · Partly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 7a | Clear | 45°7° (likely 41°5° to 45°7°) | 45°7° | 0% | 1 mph2 km/h from NE, gusts 4 mph6 km/h | 86% | 3% | 0 |
| Fri 8a | Sunny | 45°7° (likely 40°4° to 45°7°) | 45°7° | 0% | 2 mph3 km/h from NE, gusts 3 mph5 km/h | 85% | 2% | 0 |
| Fri 9a | Sunny | 47°8° (likely 43°6° to 48°9°) | 46°8° | 0% | 3 mph5 km/h from NE, gusts 3 mph5 km/h | 87% | 1% | 0 |
| Fri 10a | Sunny | 54°12° (likely 49°9° to 54°12°) | 54°12° | 0% | 2 mph3 km/h from E, gusts 5 mph7 km/h | 74% | 1% | 1 |
| Fri 11a | Sunny | 60°16° (likely 56°13° to 60°16°) | 60°16° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 58% | 0% | 2 |
| Fri 12p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 51% | 0% | 3 |
| Fri 1p | Sunny | 66°19° (likely 65°18° to 67°19°) | 66°19° | 0% | 5 mph8 km/h from E, gusts 10 mph17 km/h | 44% | 0% | 4 |
| Fri 2p | Sunny | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 5 mph8 km/h from E, gusts 10 mph16 km/h | 41% | 0% | 4 |
| Fri 3p | Sunny | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 6 mph10 km/h from E, gusts 10 mph16 km/h | 40% | 4% | 3 |
| Fri 4p | Sunny | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 6 mph10 km/h from E, gusts 10 mph17 km/h | 40% | 4% | 2 |
| Fri 5p | Sunny | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 6 mph10 km/h from E, gusts 11 mph18 km/h | 40% | 7% | 1 |
| Fri 6p | Sunny | 68°20° (likely 64°18° to 68°20°) | 68°20° | 0% | 6 mph10 km/h from E, gusts 12 mph19 km/h | 42% | 7% | 0 |
| Fri 7p | Clear | 65°18° (likely 59°15° to 65°18°) | 65°18° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 49% | 3% | 0 |
| Fri 8p | Clear | 61°16° (likely 55°13° to 61°16°) | 61°16° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 56% | 0% | 0 |
| Fri 9p | Clear | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 2 mph3 km/h from E, gusts 7 mph12 km/h | 72% | 1% | 0 |
| Fri 10p | Clear | 54°12° (likely 51°11° to 54°12°) | 54°12° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 78% | 1% | 0 |
| Fri 11p | Clear | 53°12° (likely 50°10° to 53°12°) | 53°12° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 79% | 6% | 0 |
| Sat 12a | Clear | 51°11° (likely 49°9° to 51°11°) | 51°11° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 85% | 8% | 0 |
| Sat 1a | Clear | 50°10° (likely 48°9° to 50°10°) | 50°10° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 87% | 1% | 0 |
| Sat 2a | Clear | 49°9° (likely 46°8° to 49°9°) | 49°9° | 0% | 1 mph2 km/h from E, gusts 5 mph7 km/h | 85% | 1% | 0 |
| Sat 3a | Clear | 48°9° (likely 45°7° to 48°9°) | 48°9° | 0% | 2 mph3 km/h from E, gusts 5 mph7 km/h | 90% | 2% | 0 |
| Sat 4a | Clear | 47°8° (likely 44°7° to 47°8°) | 47°8° | 0% | 2 mph3 km/h from E, gusts 4 mph7 km/h | 89% | 3% | 0 |
| Sat 5a | Clear | 46°8° (likely 43°6° to 46°8°) | 46°8° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 90% | 3% | 0 |
| Sat 6a | Clear | 46°8° (likely 42°6° to 46°8°) | 46°8° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 90% | 3% | 0 |
| Sat 7a | Clear | 46°8° (likely 42°6° to 46°8°) | 46°8° | 0% | 2 mph3 km/h from E, gusts 5 mph9 km/h | 89% | 2% | 0 |
| Sat 8a | Sunny | 45°7° (likely 41°5° to 45°7°) | 45°7° | 0% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 88% | 2% | 0 |
| Sat 9a | Sunny | 48°9° (likely 43°6° to 48°9°) | 48°9° | 0% | 2 mph3 km/h from NE, gusts 5 mph8 km/h | 86% | 3% | 0 |
| Sat 10a | Sunny | 55°13° (likely 50°10° to 55°13°) | 55°13° | 0% | 1 mph2 km/h from E, gusts 6 mph10 km/h | 73% | 4% | 1 |
| Sat 11a | Sunny | 60°16° (likely 57°14° to 60°16°) | 60°16° | 0% | 2 mph3 km/h from E, gusts 9 mph15 km/h | 57% | 41% | 2 |
| Sat 12p | Sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from E, gusts 8 mph13 km/h | 50% | 41% | 3 |
| Sat 1p | Sunny | 67°19° (likely 65°18° to 67°19°) | 67°19° | 0% | 3 mph5 km/h from E, gusts 7 mph11 km/h | 44% | 39% | 4 |
| Sat 2p | Sunny | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 42% | 41% | 4 |
| Sat 3p | Sunny | 69°21° (likely 68°20° to 70°21°) | 69°21° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 41% | 41% | 4 |
| Sat 4p | Sunny | 70°21° (likely 68°20° to 70°21°) | 70°21° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 40% | 42% | 3 |
| Sat 5p | Sunny | 69°21° (likely 68°20° to 70°21°) | 69°21° | 0% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 40% | 42% | 2 |
| Sat 6p | Sunny | 68°20° (likely 65°18° to 68°20°) | 68°20° | 0% | 3 mph5 km/h from E, gusts 8 mph12 km/h | 44% | 42% | 1 |
| Sat 7p | Clear | 64°18° (likely 60°16° to 64°18°) | 64°18° | 0% | 3 mph5 km/h from E, gusts 5 mph8 km/h | 50% | 42% | 0 |
| Sat 8p | Clear | 58°14° (likely 58°14° to 59°15°) | 58°14° | 0% | 5 mph8 km/h from E, gusts 6 mph9 km/h | 62% | 43% | 0 |
| Sat 9p | Partly cloudy | 56°13° (likely 55°13° to 57°14°) | 56°13° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 67% | 47% | 0 |
| Sat 10p | Partly cloudy | 54°12° (likely 53°12° to 54°12°) | 54°12° | 0% | 3 mph5 km/h from E, gusts 9 mph14 km/h | 74% | 51% | 0 |
| Sat 11p | Mostly clear | 52°11° (likely 52°11° to 53°12°) | 52°11° | 0% | 3 mph5 km/h from E, gusts 10 mph16 km/h | 78% | 53% | 0 |
| Sun 12a | Mostly clear | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from E, gusts 9 mph14 km/h | 86% | 44% | 0 |
| Sun 1a | Mostly clear | 49°9° (likely 48°9° to 52°11°) | 49°9° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 87% | 44% | 0 |
| Sun 2a | Clear | 47°8° (likely 46°8° to 52°11°) | 47°8° | 0% | 2 mph3 km/h from SE, gusts 4 mph6 km/h | 91% | 33% | 0 |
| Sun 3a | Clear | 47°8° (likely 41°5° to 53°12°) | 47°8° | 0% | 2 mph3 km/h from SE, gusts 3 mph5 km/h | 94% | 25% | 0 |
| Sun 4a | Clear | 46°8° (likely 39°4° to 53°12°) | 46°8° | 0% | 1 mph2 km/h from SE, gusts 3 mph4 km/h | 93% | 25% | 0 |
| Sun 5a | Clear | 45°7° (likely 38°3° to 52°11°) | 45°7° | 0% | 1 mph2 km/h from SE, gusts 3 mph5 km/h | 97% | 16% | 0 |
| Sun 6a | Clear | 44°7° (likely 37°3° to 51°11°) | 44°7° | 0% | 1 mph2 km/h from SE, gusts 3 mph5 km/h | 96% | 3% | 0 |
Days ahead
Today, Oct 23. Sunny. High 70°21°, low 45°7°. Typical 63°17° / 44°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 70°21°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
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
Tomorrow, Oct 24. Mostly sunny. High 70°21°, low 43°6°. Typical 63°17° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 70°21°Dry
Evening
6 PM–midnight
Partly cloudy, 58°14°Dry
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
Sunday, Oct 25. Mostly sunny. High 73°23°, low 44°7°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Sunny, 71°22°Dry
Evening
6 PM–midnight
Mostly clear, 60°15°Dry
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
Monday, Oct 26. Partly sunny. High 73°23°, low 48°9°. Typical 62°17° / 42°6°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 46°8°Dry
Afternoon
noon–6 PM
Cloudy, 72°22°Dry
Evening
6 PM–midnight
Cloudy, 61°16°Dry
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
Tuesday, Oct 27. Cloudy. High 70°21°, low 47°8°. Typical 61°16° / 42°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 48°9°Dry
Afternoon
noon–6 PM
Cloudy, 70°21°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
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
Wednesday, Oct 28. Cloudy. High 71°22°, low 47°8°. Typical 61°16° / 42°6°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 53°11°Dry
Afternoon
noon–6 PM
Cloudy, 71°21°Dry
Evening
6 PM–midnight
Clear, 62°17°Dry
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
Thursday, Oct 29. Partly sunny. High 74°23°, low 47°8°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Mostly sunny, 71°21°Dry
Evening
6 PM–midnight
Cloudy, 62°16°Dry
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
Friday, Oct 30. Cloudy. High 67°19°, low 47°8°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 48°9°Dry
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
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
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.
Morning
6 AM–noon
Sunny, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 59°15°Dry
Evening
6 PM–midnight
Drizzle, 54°12°30% chance · 0.07 in1.7 mm
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
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.
Morning
6 AM–noon
Drizzle, 51°11°40% chance · 0.03 in0.8 mm
Afternoon
noon–6 PM
Drizzle, 63°17°40% chance
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
Today
Dry, high 70°, low 45°.
Tomorrow
Dry, high 70°, low 43°.
Sunday
Dry, high 73°, low 44°, warming up.
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
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.
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?
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).
- −10°−6°SatOct 17
- −5°−3°SunOct 18
- −2°−1°MonOct 19
- +1°±0°TueOct 20
- ±0°WedOct 21
- +2°+1°ThuOct 22
- —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