Foster, WI
Unincorporated community in Trempealeau County, Wisconsin
Foster is a small unincorporated community in Trempealeau County, Wisconsin. It is 6.5 miles SE of Osseo, the nearest town. Its ZIP code is 54770.
Foster at a glance
- State
- Wisconsin
- County
- Trempealeau County
- ZIP code
- 54770
- Nearest town
- Osseo (6.5 mi)
- Time zone
- America/Chicago
- Coordinates
- 44.6431, -91.3117
Weather in Foster now
Loading the National Weather Service forecast…
Foster weather by the hour
Foster weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Foster.
This week in Foster
Sunrise, sunset and moon in Foster
What is the weather usually like in Foster?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 82°F average high
- Januarycoldest month · 4°F average low
- 34.5 inprecipitation per year · 876 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Foster: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station AUGUSTA RS, WI US (USC00470382), adjusted for the elevation of Foster.
Foster weather month by month
Sunrise and sunset in Foster through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:36 AM | 4:52 PM | 9 h 15 min |
| February | 7:03 AM | 5:35 PM | 10 h 31 min |
| March | 7:15 AM | 7:12 PM | 11 h 57 min |
| April | 6:18 AM | 7:51 PM | 13 h 32 min |
| May | 5:35 AM | 8:28 PM | 14 h 52 min |
| June | 5:17 AM | 8:54 PM | 15 h 36 min |
| July | 5:32 AM | 8:49 PM | 15 h 16 min |
| August | 6:06 AM | 8:12 PM | 14 h 6 min |
| September | 6:43 AM | 7:17 PM | 12 h 34 min |
| October | 7:19 AM | 6:22 PM | 11 h 2 min |
| November | 7:00 AM | 4:39 PM | 9 h 38 min |
| December | 7:33 AM | 4:27 PM | 8 h 53 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Foster?
Foster has a warm-summer humid continental climate. The warmest month is July, with an average high of 82°F (28°C), and the coldest is January, with average lows of 4°F (-16°C).
It gets about 34.5 inches (876 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Foster is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Foster
The closest live webcam is Eau Claire: US 53, 11.1 miles NW of Foster.
Webcams: Windy.com. Distances in a straight line from Foster.
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Map of Foster, WI
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Foster Street View
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Questions about Foster
Where is Foster, WI?
Foster is an unincorporated community in Trempealeau County, Wisconsin, 6.5 miles SE of Osseo.
What county is Foster in?
Foster is in Trempealeau County, Wisconsin.
What is the ZIP code of Foster, WI?
The ZIP code for Foster is 54770.
What is the nearest town to Foster?
Osseo, 6.5 miles away.
Are there webcams near Foster?
Yes. The closest is Eau Claire: US 53, 11.1 miles away.
What is the hottest month in Foster?
July, with an average high of 82°F (28°C).
What is the coldest month in Foster?
January, with an average low of 4°F (-16°C).
How much does it rain in Foster?
About 34.5 inches (876 mm) a year; the wettest month is June.
Does it snow in Foster?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Foster?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Foster have?
Warm-summer humid continental (Köppen Dfb).
Last updated: