Fairfield, OH Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Fairfield, OH.

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Current Conditions — Fairfield, OH

RICHMOND (KRID)

Clear

75.2 F
Humidity:21%
Wind Speed: G 33.4 mph
Barometer:29.98 in
Dewpoint:32.0 F
Visibility:10.00 mi
Precip:--
Heat Index:73.4 F
Wind Chill:NA
Apr 21 2026, 05:35 PM EDT
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5-Day Forecast — Fairfield, OH

Tuesday

High 77 °F
Partly Sunny
Tuesday
Night
Low 57 °F
T-storms Likely
Wednesday

High 77 °F
T-storms Likely
Wednesday
Night
Low 57 °F
Partly Cloudy
Thursday

High 82 °F
Partly Sunny
Thursday
Night
Low 59 °F
Partly Cloudy
Friday

High 80 °F
Chance of T-storms
Friday
Night
Low 59 °F
Chance of T-storms
Saturday

High 75 °F
Rain Showers Likely

Detailed Forecast — Fairfield, OH

Tuesday
Partly Sunny. High near 77°F. Wind around 14 mph, with gusts as high as 28 mph.
Tuesday Night
Thunderstorms Likely. Low around 57°F. Wind 9 to 12 mph, with gusts as high as 21 mph.
Wednesday
Thunderstorms Likely. High near 77°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Partly Cloudy. Low around 57°F. Wind 1 to 3 mph, with gusts as high as 9 mph.
Thursday
Partly Sunny. High near 82°F. Wind 2 to 8 mph, with gusts as high as 14 mph.
Thursday Night
Partly Cloudy. Low around 59°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Friday
Chance of Thunderstorms. High near 80°F. Wind 5 to 13 mph, with gusts as high as 22 mph.
Friday Night
Chance of Thunderstorms. Low around 59°F. Wind 5 to 7 mph, with gusts as high as 15 mph.
Saturday
Rain Showers Likely. High near 75°F. Wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday Night
Chance of Showers. Low around 50°F. Wind 5 to 6 mph, with gusts as high as 13 mph.
Sunday
Partly Sunny. High near 75°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Sunday Night
Slight Chance of Showers. Low around 53°F. Wind 5 to 6 mph, with gusts as high as 13 mph.
Monday
Chance of Thunderstorms. High near 77°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
OH Radar
Current Radar • OH
Day 1 Outlook • April 21, 2026

Observation History — Fairfield, OH

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:35 PM EDT G 33.4 10.00 Clear -- 75.2 32.0 21% NA 73.4 29.98 1015.2
05:15 PM EDT G 34.5 10.00 Clear -- 75.2 32.0 21% NA 73.4 29.99 1015.6
04:35 PM EDT G 36.8 10.00 Clear -- 75.2 33.8 22% NA 73.4 30.01 1016.3
04:15 PM EDT G 32.2 10.00 Clear -- 75.2 33.8 22% NA 73.4 30.02 1016.6
03:55 PM EDT G 28.8 10.00 Clear -- NULL % NA NA M
03:35 PM EDT G 27.6 10.00 Clear -- 75.2 37.4 25% NA 73.6 30.05 1017.6
03:15 PM EDT G 31.1 10.00 Clear -- 73.4 39.2 29% NA 71.8 30.06 1017.9
02:55 PM EDT G 26.5 10.00 Clear -- NULL % NA NA M
02:35 PM EDT G 28.8 10.00 Clear -- 73.4 41.0 31% NA 72.0 30.08 1018.6
02:15 PM EDT G 29.9 10.00 Clear -- 71.6 41.0 33% NA 70.0 30.10 1019.3
01:55 PM EDT G 29.9 10.00 Clear -- NULL % NA NA M
01:35 PM EDT G 24.2 10.00 Clear -- 71.6 41.0 33% NA 70.0 30.11 1019.6
01:15 PM EDT G 27.6 10.00 Clear -- 69.8 41.0 35% NA NA 30.12 1020.0
12:35 PM EDT 16.1 G 26.5 10.00 Clear -- 68.0 41.0 37% NA NA 30.14 1020.7
12:15 PM EDT SW 15.0 G 19.6 10.00 Clear -- 68.0 41.0 37% NA NA 30.15 1021.0
11:55 AM EDT G 21.9 10.00 Clear -- NULL % NA NA M
11:35 AM EDT 10.00 Clear -- 62.6 39.2 42% NA NA 30.16 1021.3
11:15 AM EDT G 21.9 10.00 Clear -- 60.8 37.4 42% NA NA 30.17 1021.7
10:35 AM EDT 10.00 Clear -- NULL % NA NA M
10:15 AM EDT 10.00 NULL -- 55.4 33.8 44% NA NA 30.19 1022.4
09:35 AM EDT 10.00 Clear -- 50.0 32.0 50% NA NA 30.20 1022.7
09:15 AM EDT 10.00 Clear -- 48.2 32.0 53% NA NA 30.20 1022.7
08:35 AM EDT 16.1 10.00 Clear -- 44.6 30.2 57% 37.4 NA 30.22 1023.4
08:15 AM EDT 10.00 Clear -- 42.8 28.4 57% NA NA 30.23 1023.7

Regional Weather Observation

RICHMOND (KRID)

Clear
75.2 F

MIDDLETOWN/HOOK (KMWO)

Clear
77.0 F

HAMILTON (KHAO)

Clear
77.0 F

HARRISON (KI67)

Clear
77.0 F

DAYTON (KMGY)

Clear
75.2 F

LEBANON (KI68)

Clear
75.2 F
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