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Fairfield, Ohio 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Fairfield OH
National Weather Service Forecast for: Fairfield OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 pm EDT Jun 18, 2026
 
Tonight

Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind.
Patchy Fog

Juneteenth

Juneteenth: Patchy fog before 9am.  Otherwise, sunny, with a high near 79. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Patchy Fog
then Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Saturday

Saturday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
Saturday
Night
Saturday Night: Partly cloudy, with a low around 61. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Sunday

Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Chance
T-storms
Sunday
Night
Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 66. Chance of precipitation is 90%.
Showers

Monday

Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Showers
Likely

Monday
Night
Monday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
Lo 58 °F Hi 79 °F Lo 58 °F Hi 81 °F Lo 61 °F Hi 83 °F Lo 66 °F Hi 79 °F Lo 59 °F

 

Tonight
 
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind.
Juneteenth
 
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Saturday
 
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
 
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Sunday
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 66. Chance of precipitation is 90%.
Monday
 
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Monday Night
 
A chance of showers before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
 
Mostly sunny, with a high near 79.
Tuesday Night
 
Partly cloudy, with a low around 59.
Wednesday
 
Mostly sunny, with a high near 80.
Wednesday Night
 
Partly cloudy, with a low around 60.
Thursday
 
Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Fairfield OH.

Weather Forecast Discussion
812
FXUS61 KILN 190006
AFDILN

Area Forecast Discussion
National Weather Service Wilmington OH
806 PM EDT Thu Jun 18 2026

.WHAT HAS CHANGED...
No significant changes.

&&

.KEY MESSAGES...
1) A few showers possible into this evening hours and then a return
of rain chances Sunday and Monday.

2) Below normal temperatures are expected through the week.

&&

.DISCUSSION...
KEY MESSAGE 1)

A few showers will be possible into the evening hours. A cold front
is moving through the area and dry conditions are generally expected
overnight through Friday night. A weak system will bring some showers
and storms to the region on Saturday. A larger system will move
through Sunday into Monday bringing more widespread shower and
thunderstorm chances to the area.

KEY MESSAGE 2)

With the passage of the cold front today, cooler air will work into
the region and below normal temperatures are expected for most
locations through the week. High temperatures in most locations will
be in the 70s to low 80s this next week. Low temperatures will be in
the middle 50s to middle 60s.

&&

.AVIATION /00Z FRIDAY THROUGH TUESDAY/...
Clouds and winds will diminish during the early part of the TAF
period. This may lead to some shallow fog at KLUK resulting in
visibility restrictions. Some cumulus will develop with heating on
Friday with winds gusting to 20 kt or more after 17Z.

OUTLOOK...Thunderstorms possible Sunday afternoon into Monday.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...None.
KY...None.
IN...None.

&&

$$

DISCUSSION...08
AVIATION...35
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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