Plainfield, WI Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Plainfield, WI in one place.
Partly cloudy, with a low around 48. Northeast wind around 3 mph.
Local Weather Overview
This forecast page for Plainfield, 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: Sep 16, 2026 5:24 AM CDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Plainfield, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 5:24 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Plainfield
Thursday looks like the warmest upcoming period in Plainfield at 73 degrees F.
Overnight is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Friday Night at about 15 mph E.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 5:24 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 70. East wind 2 to 7 mph.
Patchy fog and a slight chance of rain showers between midnight and 2am, then a chance of rain showers and patchy fog between 2am and 5am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 55. East wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Patchy fog and a slight chance of rain showers before 8am. Mostly cloudy, with a high near 73. North wind 0 to 3 mph. Chance of precipitation is 20%.
Patchy fog between 10pm and 2am. Partly cloudy, with a low around 52. North wind 0 to 5 mph.
Rain showers after 7am. Mostly cloudy, with a high near 64. Chance of precipitation is 80%.
Rain showers before 7pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 53. Chance of precipitation is 100%.
Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 67. Chance of precipitation is 100%.
A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
A slight chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
A chance of rain showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Partly Cloudy
|
48°F |
3 mph
NE
|
|
Wednesday
Sep 16
|
Mostly Sunny
|
70°F |
2 to 7 mph
E
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy then Patchy Fog
|
55°F |
0 to 5 mph
E
|
|
Thursday
Sep 17
|
Patchy Fog then Mostly Cloudy
|
73°F |
0 to 3 mph
N
|
|
Thursday Night
Sep 17
|
Patchy Fog
|
52°F |
0 to 5 mph
N
|
|
Friday
Sep 18
|
Rain Showers
|
64°F |
5 to 12 mph
E
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms
|
53°F |
15 mph
E
|
|
Saturday
Sep 19
|
Showers And Thunderstorms
|
67°F |
15 mph
ENE
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
51°F |
8 to 12 mph
NE
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers
|
65°F |
14 mph
ENE
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
50°F |
12 mph
ENE
|
|
Monday
Sep 21
|
Chance Rain Showers
|
65°F |
12 mph
ENE
|
|
Monday Night
Sep 21
|
Slight Chance Rain Showers
|
50°F |
6 to 9 mph
ENE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
68°F |
8 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plainfield.