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Weather in Decatur, NY · National Weather Service + NOAA

Decatur stays cool in summer

Decatur has cold, snowy winters and pleasant summers. A typical July afternoon reaches 77°, a January night drops to 11°, and about 54 inches of snow falls in a normal winter. In November, a normal day reaches 44° and a normal night drops to 28°.

Winter 31°/14°Spring 53°/31°Summer 75°/54°Fall 57°/38°
Right now
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Sunrise 6:34 am · sunset 4:50 pm

Getting the latest forecast from the National Weather Service…

What stands out about Decatur’s weather

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

Climate →
Cool summersJuly afternoons average 77°, cooler than 97% of U.S. towns.The coldest spot aroundColder January nights than all 4 towns around it.
A normal year

Where today sits in Decatur’s year

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

Full climate →
Winter
31° / 14°
17 days with an inch or more of snow
Spring
53° / 31°
Last frost around May 9
Summer
75° / 54°
4 days reach 90° in a normal year
Fall now
57° / 38°
First frost around Oct 4
Pastthe usual first frost (Oct 4). Last frost next spring: May 9
Best months to be outside
MayJunJulAugSep
Highs of 62–84° and lows of 40° or more
How much snow does Decatur get?About 54 inches a winter.When is it wettest?June, with 4.7 inches.Is it warmer than it used to be?+1.0° vs. the 20th century.

Weather talk

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

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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 Decatur itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Cobleskill 2 Ese, NY (13 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.