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Armenia, WI Weather
Armenia, Wisconsin sits at 44.1786, -90.0110. Its warmest month is July, when the day usually reaches 82F, and its coldest is January, when the night usually falls to 8F. April is the wettest, with rain on about 12 days. The hottest day in the station record is 99F on August 23, 2023, and the coldest night -35F on January 16, 2009. 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 Armenia weather
Armenia sits at 44.1786, -90.0110 and covers about 66.058 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 Armenia
Armenia is warmest in July, when the day usually reaches 82F, and coldest in January, when the night usually falls to 8F. April is the wettest month, with rain on about 12 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
January
26F
8F
9
February
29F
9F
9
March
43F
23F
9
April
56F
36F
12
May
69F
48F
12
June
78F
57F
12
July
82F
60F
10
August
79F
58F
10
September
72F
50F
10
October
58F
38F
9
November
44F
27F
8
December
30F
15F
10
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Necedah 5 Wnw station 11.5 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.
Armenia weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Armenia: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Armenia weather records
In 22,115 days of observations Armenia has been as hot as 99F and as cold as -35F. Not averages: the actual days.
Hottest day
99F
August 23, 2023
Coldest night
-35F
January 16, 2009
Wettest day
5.17 in
September 22, 2016
Biggest snow
21.0 in
March 14, 1997
NOAA GHCN daily station records, observed 2004 to 2025: temperature at the Necedah 5 Wnw station, 11.5 miles away; precipitation at the Babcock 1 Wnw station, 10.7 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 Armenia weather
Common questions
What is the weather usually like in Armenia, WI?
Armenia is warmest in July, when the day usually reaches 82F, and coldest in January, when the night usually falls to 8F. Rain falls on roughly 120 days a year, most often in April. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Armenia, WI?
About 120 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. April is the wettest month with rain on about 12 of its days, and November the driest with about 8.
What is the hottest it has ever been in Armenia, WI?
The hottest day measured for Armenia reached 99F on August 23, 2023, and the coldest night -35F on January 16, 2009. Both are real NOAA station measurements from the GHCN daily archive, observed 2004 to 2025, at the Necedah 5 Wnw station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Armenia, 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 Armenia 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.