Fairfield, WI Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, WI in one place.
A chance of showers and thunderstorms before 4pm, then showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 75 in the afternoon. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Fairfield, WI 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: Jun 8, 2026 5:20 PM CDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for Fairfield, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 5:20 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield
Wednesday looks like the warmest upcoming period in Fairfield at 90 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 20 mph S.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 5:20 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before midnight, then patchy fog and showers and thunderstorms between midnight and 1am, then patchy fog and showers and thunderstorms likely. Mostly cloudy, with a low around 67. South wind 0 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Patchy fog and a chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms between 8am and 9am. Partly sunny, with a high near 85. West wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 67. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 56. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunny, with a high near 81.
Mostly clear, with a low around 59.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 82. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
A slight chance of rain showers. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jun 8
|
Chance Showers And Thunderstorms
|
82°F |
10 to 15 mph
SE
|
|
Tonight
Jun 8
|
Showers And Thunderstorms
|
67°F |
0 to 10 mph
S
|
|
Tuesday
Jun 9
|
Patchy Fog then Partly Sunny
|
85°F |
0 to 10 mph
W
|
|
Tuesday Night
Jun 9
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
S
|
|
Wednesday
Jun 10
|
Partly Sunny then Chance Showers And Thunderstorms
|
90°F |
5 to 20 mph
S
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
67°F |
5 to 20 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms
|
85°F |
5 to 20 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
56°F |
5 to 15 mph
W
|
|
Friday
Jun 12
|
Sunny
|
81°F |
5 to 15 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
59°F |
5 to 15 mph
SW
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
5 to 15 mph
W
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
57°F |
5 to 15 mph
NW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
76°F |
5 to 15 mph
NW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
53°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fairfield.