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Weather in Mars, PA · National Weather Service + NOAA

Mars has a long growing season

Mars has chilly winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 20°, and about 20 inches of snow falls in a normal winter. In November, a normal day reaches 51° and a normal night drops to 33°.

Winter 39°/23°Spring 61°/39°Summer 82°/59°Fall 64°/43°
Right now
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Sunrise 6:51 am · sunset 5:15 pm

Getting the latest forecast from the National Weather Service…

What stands out about Mars’s weather

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

Climate →
A long growing season212 frost-free days, from Apr 8 to Nov 8.Less snow than most of PennsylvaniaAbout 20 inches a winter, less than 3,248 of 3,514 Pennsylvania towns.
A normal year

Where today sits in Mars’s year

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

Full climate →
Winter
39° / 23°
8 days with an inch or more of snow
Spring
61° / 39°
Last frost around Apr 8
Summer
82° / 59°
26 days reach 90° in a normal year
Fall now
64° / 43°
First frost around Nov 8
6 daysuntil the usual first frost (Nov 8)
Best months to be outside
MayJunJulAugSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Mars get?About 20 inches a winter.When is it wettest?June, with 4.5 inches.Is it warmer than it used to be?+1.3° vs. the 20th century.

Weather talk

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

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 Mars itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Glenwillard Dashields L&d, PA (14 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.