Fairfield, PA Weather Forecast

Local 7-day forecast

70°
F

Mostly Clear

Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, PA in one place.

Wednesday, July 15, 2026
Wind: 3 mph W
Overnight

Mostly clear, with a low around 70. West wind around 3 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Fairfield, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 15, 2026 4:00 AM EDT.

The active forecast window currently covers Jul 15 to Jul 21, 2026 for Fairfield, PA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 15 to Jul 21, 2026
Latest sync
Jul 15, 2026 4:00 AM EDT
Forecast office
CTP
Source
NOAA / NWS
Next High
97°F
Wednesday
Next Low
70°F
Overnight
Rain Outlook
8
Periods mentioning precipitation
Windiest
0 to 8 mph
Thursday

Daily Outlook

Today
Jul 15
Mostly Sunny
97 °F
/ 70°F
Wind 3 to 7 mph
Thu
Jul 16
Haze
95 °F
/ 69°F
Wind 0 to 8 mph
Fri
Jul 17
Mostly Sunny
91 °F
/ 68°F
Wind 0 to 3 mph
Sat
Jul 18
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
87 °F
/ 69°F
Wind 0 to 6 mph
Sun
Jul 19
Slight Chance Rain Showers then Chance Showers And Thunderstorms
87 °F
/ 67°F
Wind 3 to 7 mph
Mon
Jul 20
Mostly Sunny then Slight Chance Showers And Thunderstorms
88 °F
/ 68°F
Wind 0 to 5 mph
Tue
Jul 21
Chance Showers And Thunderstorms
87 °F
Wind 2 to 8 mph

This Week in Fairfield

Wednesday looks like the warmest upcoming period in Fairfield at 97 degrees F.

Sunday Night is the coolest period ahead with temperatures near 67 degrees F.

The strongest winds are forecast for Thursday at about 0 to 8 mph NW.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Jul 15, 2026 4:00 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
CTP
Radar station
KLWX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday
Jul 15
97°F
Mostly Sunny
3 to 7 mph W

Mostly sunny, with a high near 97. Heat index values as high as 100. West wind 3 to 7 mph.

Wednesday Night
Jul 15
73°F
Partly Cloudy
0 to 7 mph NW

Partly cloudy, with a low around 73. Northwest wind 0 to 7 mph.

Thursday
Jul 16
95°F
Haze
0 to 8 mph NW

Haze and areas of smoke after 8am. Mostly sunny, with a high near 95. Northwest wind 0 to 8 mph.

Thursday Night
Jul 16
69°F
Haze then Mostly Clear
1 to 7 mph NW

Haze and areas of smoke before 8pm. Mostly clear, with a low around 69. Northwest wind 1 to 7 mph.

Friday
Jul 17
91°F
Mostly Sunny
0 to 3 mph N

Mostly sunny, with a high near 91.

Friday Night
Jul 17
68°F
Chance Showers And Thunderstorms
0 to 3 mph E

A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Saturday
Jul 18
87°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
0 to 6 mph SW

A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Saturday Night
Jul 18
69°F
Showers And Thunderstorms Likely
5 mph SW

Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Sunday
Jul 19
87°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
3 to 7 mph W

A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Sunday Night
Jul 19
67°F
Chance Showers And Thunderstorms then Partly Cloudy
1 to 5 mph N

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 40%.

Monday
Jul 20
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 to 5 mph W

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

Monday Night
Jul 20
68°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
3 mph SW

A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Tuesday
Jul 21
87°F
Chance Showers And Thunderstorms
2 to 8 mph SW

A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 15
Mostly Clear
70°F
3 mph
W
Wednesday
Jul 15
Mostly Sunny
97°F
3 to 7 mph
W
Wednesday Night
Jul 15
Partly Cloudy
73°F
0 to 7 mph
NW
Thursday
Jul 16
Haze
95°F
0 to 8 mph
NW
Thursday Night
Jul 16
Haze then Mostly Clear
69°F
1 to 7 mph
NW
Friday
Jul 17
Mostly Sunny
91°F
0 to 3 mph
N
Friday Night
Jul 17
Chance Showers And Thunderstorms
68°F
0 to 3 mph
E
Saturday
Jul 18
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
87°F
0 to 6 mph
SW
Saturday Night
Jul 18
Showers And Thunderstorms Likely
69°F
5 mph
SW
Sunday
Jul 19
Slight Chance Rain Showers then Chance Showers And Thunderstorms
87°F
3 to 7 mph
W
Sunday Night
Jul 19
Chance Showers And Thunderstorms then Partly Cloudy
67°F
1 to 5 mph
N
Monday
Jul 20
Mostly Sunny then Slight Chance Showers And Thunderstorms
88°F
0 to 5 mph
W
Monday Night
Jul 20
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
68°F
3 mph
SW
Tuesday
Jul 21
Chance Showers And Thunderstorms
87°F
2 to 8 mph
SW
Fairfield  PA Keystone Marker 2
Fairfield PA Keystone Marker 2 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.