Foster, WI Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Foster, WI in one place.
Mostly cloudy, with a high near 65. Northwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Foster, 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: Oct 13, 2026 10:19 AM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Foster, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 10:19 AM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Foster
Monday looks like the warmest upcoming period in Foster at 67 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Thursday Night at about 5 to 20 mph WNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:19 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy. Low around 46, with temperatures rising to around 49 overnight. North northwest wind around 5 mph.
Partly sunny, with a high near 62. North wind around 5 mph.
Mostly cloudy. Low around 41, with temperatures rising to around 45 overnight. East northeast wind 0 to 5 mph.
Rain showers likely after 7am. Mostly cloudy, with a high near 59. East northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 7pm. Partly cloudy. Low around 38, with temperatures rising to around 41 overnight. West northwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 55. Northwest wind 10 to 20 mph, with gusts as high as 35 mph.
Widespread frost after 1am. Clear, with a low around 29. West wind 0 to 5 mph.
Widespread frost before 9am. Sunny. High near 59, with temperatures falling to around 56 in the afternoon. South southwest wind 0 to 15 mph.
Clear, with a low around 37. South southwest wind around 10 mph.
Sunny, with a high near 65. South southwest wind 10 to 15 mph.
Partly cloudy, with a low around 41. South southwest wind 5 to 10 mph.
Mostly sunny, with a high near 67. South southwest wind 0 to 5 mph.
Partly cloudy, with a low around 42. Southeast wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Mostly Cloudy
|
65°F |
5 to 10 mph
NW
|
|
Tonight
Oct 13
|
Mostly Cloudy
|
46°F |
5 mph
NNW
|
|
Wednesday
Oct 14
|
Partly Sunny
|
62°F |
5 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
41°F |
0 to 5 mph
ENE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
59°F |
5 mph
ENE
|
|
Thursday Night
Oct 15
|
Rain Showers Likely then Partly Cloudy
|
38°F |
5 to 20 mph
WNW
|
|
Friday
Oct 16
|
Sunny
|
55°F |
10 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Clear then Widespread Frost
|
29°F |
0 to 5 mph
W
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
0 to 15 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
37°F |
10 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
10 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
41°F |
5 to 10 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
0 to 5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Foster.