Weather on March 18 at Glacier

Glacier National Park

MTRocky Mountain4,500 ft elevation
Avg High47°F
Avg Low27°F
Warmest200452°F
Coldest200220°F

Based on 56 years of data from Kalispell, MT

Elevation Note: Glacier sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Kalispell, MT at a lower elevation.

Planning Your Visit

March 18th in Glacier National Park (via Kalispell, MT) typically brings chilly spring weather, with average highs around 47°F and lows near 27°F. Over 56 years of records, the warmest March 18th was in 2004 (52°F average), while the coldest was 2002 (20°F) — a 32°F range across recorded history. Precipitation has occurred on 34% of recorded March 18th dates, with snow falling 9% of the time (heaviest snowfall: 6.6"). The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

Planning for March 18th in Glacier? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202651°F36°F0.23"0"
202545°F20°F0"0"
202465°F24°F0"0"
202344°F15°F0"0"
202248°F30°F0"0"
202163°F27°F0"0"
202048°F23°F0"0"
201943°F14°F0"0"
201845°F35°F0.38"0"
201750°F34°F0.05"0"
201643°F18°F0"0"
201546°F33°F0.2"0"
201443°F25°F0"0"
201342°F24°F0.03"0"
201238°F32°F0.03"0"
201147°F27°F0"0.2"
201048°F27°F0"0"
200943°F17°F0"0"
200850°F32°F0.3"0.8"
200757°F34°F0.08"0"
200647°F28°F0"0"
200535°F22°F0.13"1.3"
200464°F39°F0.03"--
200351°F28°F0"--
200224°F16°F0.3"--
200147°F27°F0.03"--
200044°F32°F0"--
199954°F24°F0"0"
199841°F23°F0"0"
199746°F28°F0.03"0"
199650°F24°F0"0"
199540°F25°F0.2"0"
199451°F32°F0"0"
199350°F31°F0"0"
199250°F38°F0.84"0"
199153°F21°F0"0"
199054°F28°F0"0"
198936°F20°F0.25"0.9"
198856°F22°F0"0"
198743°F27°F1.14"6.6"
198645°F25°F0"0"
198548°F18°F0"0"
198445°F35°F0"0"
198339°F23°F0"0"
198234°F23°F0"0"
198144°F31°F0"--
198046°F28°F0"--
197958°F29°F0"--
197862°F36°F0"--
197738°F24°F0"--
197646°F36°F0.18"0"
197544°F31°F0.13"--
197447°F29°F0"--
197347°F22°F0"0"
197265°F33°F0"--
197145°F17°F0"--

March 18 at Nearby Parks

Holiday Weather at Glacier

Official NPS WebsiteVisit nps.gov/glac for park information, alerts, and reservations

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