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Wilson, WI Weather
Wilson, Wisconsin sits at 45.1550, -91.8394. Its warmest month is July, when the day usually reaches 80F, and its coldest is January, when the night usually falls to 2F. May is the wettest, with rain on about 11 days. The hottest day in the station record is 102F on August 1, 2006, and the coldest night -47F on January 9, 1977. This page carries live conditions, an hour by hour timeline, a ten day outlook, radar, monthly averages and searchable daily history back to 1940.
About Wilson weather
Wilson sits at 45.1550, -91.8394 and covers about 35.555 square miles. The forecast above is live: current conditions lead with the HRRR model, corrected against the nearest reporting station and against radar overhead, because a model can lag a storm and the radar cannot.
The tabs at the top of this page carry the hour by hour timeline, the ten day outlook and live radar. Where the models disagree about a day, the rock says so on the day rather than quietly picking a winner.
The rock grades itself against what actually happened and publishes the result whether it flatters it or not. Those standings live in the Receipts.
Where these numbers come from
Current conditions and forecast: NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
Radar: NOAA MRMS merged reflectivity, rendered into tiles by myweatherrock.
Monthly averages and records: computed by myweatherrock from NOAA GHCN-Daily station records at the nearest qualifying station, named on this page with its distance. Measurements, not estimates.
Daily history search: the town's own NOAA GHCN-Daily station file, held on our server, measurements by day. Months the station missed fall back to the Open-Meteo historical archive (reanalysis), and the page says so when it does.
What the weather is usually like in Wilson
Wilson is warmest in July, when the day usually reaches 80F, and coldest in January, when the night usually falls to 2F. May is the wettest month, with rain on about 11 days of it.
Usual high and low, by month
Days with rain, by month
The same year as numbers
Month
Usual high
Usual low
Rain days
Snow days
January
21F
2F
6
4
February
26F
5F
5
4
March
39F
18F
7
4
April
54F
31F
10
1
May
67F
43F
11
0
June
76F
54F
11
0
July
80F
58F
9
0
August
78F
55F
9
0
September
70F
47F
10
0
October
56F
35F
9
0
November
40F
23F
7
2
December
27F
10F
6
5
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Ridgeland 1Nne station 4.7 miles away. A rain day means at least a hundredth of an inch fell, the same measurable-precipitation mark the Weather Service uses. Source: computed from the station record, NOAA GHCN daily.
Wilson weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Wilson: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Wilson weather records
In 102,191 days of observations Wilson has been as hot as 102F and as cold as -47F. Not averages: the actual days.
Hottest day
102F
August 1, 2006
Coldest night
-47F
January 9, 1977
Wettest day
5.27 in
July 4, 2004
Biggest snow
13.0 in
May 2, 2013
NOAA GHCN daily station records, observed 1948 to 2026: temperature at the Ridgeland 1Nne station, 4.7 miles away. Station measurements, not estimates. Record dates reflect the station's own observation schedule, and the official state record may live at a different station.
Common questions about Wilson weather
Common questions
What is the weather usually like in Wilson, WI?
Wilson is warmest in July, when the day usually reaches 80F, and coldest in January, when the night usually falls to 2F. Rain falls on roughly 100 days a year, most often in May. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Wilson, WI?
About 100 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. May is the wettest month with rain on about 11 of its days, and February the driest with about 5.
Does it snow in Wilson, WI?
Yes. Snow falls on about 20 days a year, most often in December, which averages about 5 snowy days. Those are days with measurable snowfall, not days with snow lying on the ground.
What is the hottest it has ever been in Wilson, WI?
The hottest day measured for Wilson reached 102F on August 1, 2006, and the coldest night -47F on January 9, 1977. Both are real NOAA station measurements from the GHCN daily archive, observed 1948 to 2026, at the Ridgeland 1Nne station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Wilson, WI?
Yes, and for free. The History tab on this page takes any month back to 1940 and shows every day of it: the high, the low, what fell, and that month's hottest and coldest day. No account and no payment.
Is the Wilson forecast on this page free, and does it track me?
It is free, carries no advertising, and needs no account. Nothing about a visitor leaves the device except the coordinates needed to fetch a forecast, and those are not stored against anyone.