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Weather in Saco, MT · National Weather Service + NOAA

Saco has real winters

Saco has cold winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 4°. A typical November afternoon reaches 40°, and nights fall to 18°.

Winter 28°/6°Spring 56°/30°Summer 82°/53°Fall 57°/31°
Right now
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Sunrise 9:00 am · sunset 6:45 pm

Getting the latest forecast from the National Weather Service…

What stands out about Saco’s weather

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

Climate →
Real wintersJanuary nights average 4°, colder than 92% of U.S. towns.A dry climateJust 13 inches of rain and melted snow a year, less than 95% of U.S. towns.A long heating seasonMore heating degree days than 92% of U.S. towns.
A normal year

Where today sits in Saco’s year

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

Full climate →
Winter
28° / 6°
Snow is rare
Spring
56° / 30°
Last frost around May 15
Summer
82° / 53°
19 days reach 90° in a normal year
Fall now
57° / 31°
First frost around Sep 23
Pastthe usual first frost (Sep 23). Last frost next spring: May 15
Best months to be outside
MayJunSep
Highs of 62–84° and lows of 40° or more
When is it wettest?June, with 3.1 inches.Is it warmer than it used to be?+1.5° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

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

Town Square →
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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 Saco itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Saco 1 Nnw, MT (1 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.