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Crestline, OH Weather
Crestline, Ohio sits at 40.7834, -82.7477. Its warmest month is July, when the day usually reaches 84F, and its coldest is January, when the night usually falls to 17F. May is the wettest, with rain on about 14 days. The hottest day in the station record is 106F on July 22, 2011, and the coldest night -17F on January 17, 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 Crestline weather
Crestline sits at 40.7834, -82.7477 and covers about 3.394 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 Crestline
Crestline is warmest in July, when the day usually reaches 84F, and coldest in January, when the night usually falls to 17F. May is the wettest month, with rain on about 14 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
33F
17F
12
7
February
36F
18F
9
5
March
47F
28F
11
3
April
60F
38F
13
0
May
72F
50F
14
0
June
81F
59F
12
0
July
84F
61F
11
0
August
83F
60F
9
0
September
77F
54F
9
0
October
63F
43F
11
0
November
50F
32F
10
1
December
40F
25F
12
5
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Galion Wtr Wks station 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.
Crestline weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Crestline: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Crestline weather records
In 67,201 days of observations Crestline has been as hot as 106F and as cold as -17F. Not averages: the actual days.
Hottest day
106F
July 22, 2011
Coldest night
-17F
January 17, 2009
Wettest day
6.11 in
August 21, 2007
Biggest snow
12.0 in
December 23, 2004
NOAA GHCN daily station records, observed 1948 to 2026: temperature at the Galion Wtr Wks station, 5 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 Crestline weather
Common questions
What is the weather usually like in Crestline, OH?
Crestline is warmest in July, when the day usually reaches 84F, and coldest in January, when the night usually falls to 17F. Rain falls on roughly 133 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 Crestline, OH?
About 133 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 14 of its days, and February the driest with about 9.
Does it snow in Crestline, OH?
Yes. Snow falls on about 21 days a year, most often in January, which averages about 7 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 Crestline, OH?
The hottest day measured for Crestline reached 106F on July 22, 2011, and the coldest night -17F on January 17, 2009. Both are real NOAA station measurements from the GHCN daily archive, observed 1948 to 2026, at the Galion Wtr Wks station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Crestline, OH?
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 Crestline 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.