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Weather in Grayson, OK · National Weather Service + NOAA

Grayson has hot summers

Grayson has mild winters and hot summers. A typical July afternoon reaches 93°, a January night drops to 29°, and snow is almost unheard of. Normal November highs come to 62°, and lows to 40°.

Winter 52°/31°Spring 72°/50°Summer 91°/69°Fall 74°/51°
Right now
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Sunrise 7:46 am · sunset 6:27 pm

Getting the latest forecast from the National Weather Service…

What stands out about Grayson’s weather

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

Climate →
Hot summersJuly afternoons average 93°, hotter than 92% of U.S. towns.Snow is rareAbout 0.9 inches in a normal year, so most winters see none.Plenty of 90° daysAbout 67 days a year reach 90°.Barely warmer than a century agoThe last 30 years averaged 0.1° warmer than the 1900s, a smaller shift than 100% of U.S. towns.
A normal year

Where today sits in Grayson’s year

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

Full climate →
Winter
52° / 31°
Snow is rare
Spring
72° / 50°
Last frost around Apr 8
Summer
91° / 69°
67 days reach 90° in a normal year
Fall now
74° / 51°
First frost around Oct 28
Pastthe usual first frost (Oct 28). Last frost next spring: Apr 8
Best months to be outside
MarAprMayOct
Highs of 62–84° and lows of 40° or more
How much snow does Grayson get?Almost none.When is it wettest?May, with 5.7 inches.Is it warmer than it used to be?+0.1° vs. the 20th century.

Weather talk

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

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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 Grayson itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Dewar 2 Ne, OK (4 mi, snow) and Okmulgee Wtr Wks, OK (12 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.