UNION, OH 45322 Weather Forecast & Current Conditions
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  45322 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

DAYTON, OH
Current Weather
4:56 AM EDT JUN 26, 2025
Scattered Clouds
75°F
Feels Like: 75°F
Dewpoint: 70°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: Calm
Pressure: 30.07 inches
Last 72 hours

Local Area Snow Depth

Ohio Current Weather

Ohio MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  45322 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

UNION, OH 45322
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy, then becoming mostly sunny late this morning, then becoming partly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 102.
TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Muggy. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent.
FRIDAY
Partly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 100.
FRIDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Muggy. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
SATURDAY
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 80 percent.
SATURDAY NIGHT
Partly cloudy. Showers with thunderstorms likely in the evening. Lows around 70. Chance of rain 80 percent.
SUNDAY
Partly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.
SUNDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 40 percent.
MONDAY
Partly cloudy. A chance of showers and thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 80 percent.
MONDAY NIGHT
Showers with a chance of thunderstorms. Lows in the lower 70s. Chance of rain 80 percent.
TUESDAY
Partly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 30 percent.
WEDNESDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.

  45322 WEATHER SATELLITE LOOPS
Visible Weather Satellite
UNION, OH 45322
Infrared Weather Satellite
UNION, OH 45322
  45322 WEATHER RADAR LOOP
NEXRAD Weather Radar
UNION, OH 45322
 MOS COMPUTER WEATHER FORECAST

DAYTON, OH 3 hourly weather forecast
weather forecast created  8:00 PM EDT  6/25/2025
Thursday
26 JUN 2025		 UNION, OH 45322 weather forecast Day 1, 0 hours 2 AM 76° 77° Partly Cloudy 7%

 0% Thunder
( 10% severe)		 WSW   2 85% 71°
Low 74° UNION, OH 45322 weather forecast Day 1, 3 hours 5 AM 75° 75° Partly Cloudy SSW   2 87% 71°
High 92° UNION, OH 45322 weather forecast Day 1, 6 hours 8 AM 77° 78° Partly Cloudy 25%
RAIN
<.01 in		 0% Thunder
( 27% severe)		 SW   3 85% 72°

Partly Cloudy

Chance of Rain

 UNION, OH 45322 weather forecast Day 1, 9 hours 11 AM 86° 93° Partly Cloudy WSW   6 65% 73°
UNION, OH 45322 weather forecast Day 1, 12 hours 2 PM 89° 96° Mostly Cloudy 41%
RAIN
***		 0% Thunder
( 45% severe)		 W   8 57% 72°
UNION, OH 45322 weather forecast Day 1, 15 hours 5 PM 89° 96° Partly Cloudy WSW   7 57% 72°
UNION, OH 45322 weather forecast Day 1, 18 hours 8 PM 86° 91° Partly Cloudy 9%

 0% Thunder
( 18% severe)		 W   6 61% 71°
UNION, OH 45322 weather forecast Day 1, 21 hours 11 PM 80° 83° Partly Cloudy S   5 74% 71°
Friday
27 JUN 2025		 UNION, OH 45322 weather forecast Day 2, 0 hours 2 AM 77° 79° Partly Cloudy 6%

 0% Thunder
( 8% severe)		 S   6 82% 71°
Low 75° UNION, OH 45322 weather forecast Day 2, 3 hours 5 AM 76° 77° Partly Cloudy SSW   6 85% 71°
High 91° UNION, OH 45322 weather forecast Day 2, 6 hours 8 AM 78° 80° Partly Cloudy 22%
RAIN
<.01 in		 0% Thunder
( 15% severe)		 SSW   7 82% 72°

Partly Cloudy

Chance of Rain

 UNION, OH 45322 weather forecast Day 2, 9 hours 11 AM 85° 91° Partly Cloudy SW   9 65% 72°
UNION, OH 45322 weather forecast Day 2, 12 hours 2 PM 89° 94° Mostly Cloudy 35%
RAIN
***		 0% Thunder
( 34% severe)		 SW   12 54% 70°
UNION, OH 45322 weather forecast Day 2, 15 hours 5 PM 89° 94° Partly Cloudy SW   12 54% 70°
UNION, OH 45322 weather forecast Day 2, 18 hours 8 PM 85° 89° Partly Cloudy 23%
RAIN
.01–.1 in		 0% Thunder
( 24% severe)		 SW   9 59% 69°
UNION, OH 45322 weather forecast Day 2, 21 hours 11 PM 80° 83° Partly Cloudy WSW   8 69% 69°

DAYTON, OH extended weather forecast
Saturday
28 JUN 2025		 Sunday
29 JUN 2025		 Monday
30 JUN 2025		 Tuesday
1 JUL 2025		 Wednesday
2 JUL 2025
Low 72° Low 70° Low 71° Low 69° Low 65°
High 89° High 91° High 90° High 86° High 85°
UNION, OH 45322 weather forecast Day 3 UNION, OH 45322 weather forecast Day 4 UNION, OH 45322 weather forecast Day 5 UNION, OH 45322 weather forecast Day 6 UNION, OH 45322 weather forecast Day 7
Mostly Cloudy
74% Rain		 Partly Cloudy
14% Rain		 Partly Cloudy
39% Rain		 Mostly Cloudy
47% Rain		 Partly Cloudy
25% Rain
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