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Weather in Fort Supply, OK · National Weather Service + NOAA

Fort Supply is snow country

Fort Supply has chilly winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 22°, and about 12 inches of snow falls in a normal winter. Normal November highs come to 60°, and lows to 33°.

Winter 50°/24°Spring 71°/44°Summer 92°/66°Fall 72°/45°
Right now
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Sunrise 8:03 am · sunset 6:40 pm

Getting the latest forecast from the National Weather Service…

What stands out about Fort Supply’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow countryAbout 12 inches a winter, more than 776 of 809 Oklahoma towns.Hot summersJuly afternoons average 95°, hotter than 95% of U.S. towns.Among Oklahoma’s coldest wintersJanuary nights average 22°, colder than 814 of 838 Oklahoma towns.A short growing season179 frost-free days, from Apr 21 to Oct 19.
A normal year

Where today sits in Fort Supply’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
50° / 24°
4 days with an inch or more of snow
Spring
71° / 44°
Last frost around Apr 21
Summer
92° / 66°
77 days reach 90° in a normal year
Fall now
72° / 45°
First frost around Oct 19
Pastthe usual first frost (Oct 19). Last frost next spring: Apr 21
Best months to be outside
AprMayOct
Highs of 62–84° and lows of 40° or more
How much snow does Fort Supply get?About 12 inches a winter.When is it wettest?June, with 3.8 inches.Is it warmer than it used to be?+0.6° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Fort Supply.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Fort Supply itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Ft Supply 3se, OK (3 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.