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Caswell, ME Weather
Caswell, Maine sits at 47.0181, -67.8636. Its warmest month is July, when the day usually reaches 76F, and its coldest is January, when the night usually falls to 1F. December is the wettest, with rain on about 17 days. The hottest day in the station record is 95F on June 19, 2024, and the coldest night -38F 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 Caswell weather
Caswell sits at 47.0181, -67.8636 and covers about 41.324 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 Caswell
Caswell is warmest in July, when the day usually reaches 76F, and coldest in January, when the night usually falls to 1F. December is the wettest month, with rain on about 17 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
20F
1F
15
February
23F
2F
13
March
33F
13F
13
April
46F
27F
14
May
61F
39F
14
June
70F
48F
13
July
76F
55F
13
August
74F
53F
13
September
66F
44F
10
October
52F
34F
13
November
38F
24F
14
December
26F
10F
17
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Limestone 4 Nnw station 4.1 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.
Caswell weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Caswell: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Caswell weather records
In 24,150 days of observations Caswell has been as hot as 95F and as cold as -38F. Not averages: the actual days.
Hottest day
95F
June 19, 2024
Coldest night
-38F
January 16, 2009
Wettest day
2.84 in
October 26, 2017
Biggest snow
23.5 in
January 21, 2019
NOAA GHCN daily station records, observed 2002 to 2025: temperature at the Limestone 4 Nnw station, 4.1 miles away; snowfall at the Van Buren 2 station, 10.9 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 Caswell weather
Common questions
What is the weather usually like in Caswell, ME?
Caswell is warmest in July, when the day usually reaches 76F, and coldest in January, when the night usually falls to 1F. Rain falls on roughly 162 days a year, most often in December. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Caswell, ME?
About 162 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. December is the wettest month with rain on about 17 of its days, and September the driest with about 10.
What is the hottest it has ever been in Caswell, ME?
The hottest day measured for Caswell reached 95F on June 19, 2024, and the coldest night -38F on January 16, 2009. Both are real NOAA station measurements from the GHCN daily archive, observed 2002 to 2025, at the Limestone 4 Nnw station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Caswell, ME?
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 Caswell 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.