Weather on July 18 at Glacier

Glacier National Park

MTRocky Mountain4,500 ft elevation
Avg High83°F
Avg Low48°F
Warmest200777°F
Coldest198752°F

Based on 55 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

July 18th in Glacier National Park (via Kalispell, MT) typically brings warm summer weather, with average highs around 83°F and lows near 48°F — a 35°F daily swing. Over 55 years of records, the warmest July 18th was in 2007 (77°F average), while the coldest was 1987 (52°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 16% of July 18th dates historically, with the wettest July 18th recording 1.19" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

Planning for July 18th in Glacier? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202585°F51°F0"0"
202493°F61°F0"0"
202385°F45°F0"0"
202271°F56°F0.23"0"
202194°F50°F0"0"
202082°F43°F0"0"
201976°F45°F0"0"
201891°F46°F0"0"
201785°F44°F0"0"
201688°F47°F0"0"
201580°F43°F0"0"
201482°F51°F0"0"
201389°F51°F0"0"
201287°F52°F0"0"
201192°F50°F0"0"
201084°F43°F0"0"
200988°F49°F0"0"
200884°F41°F0"0"
200797°F58°F0.08"0"
200682°F44°F0"0"
200585°F44°F0"0"
200488°F56°F0"--
200395°F43°F0"--
200292°F55°F0"--
200174°F34°F0"--
200084°F46°F0"--
199969°F48°F0.51"--
199890°F52°F0"0"
199779°F49°F0"0"
199670°F45°F0"0"
199585°F46°F0"0"
199482°F50°F0"0"
199367°F47°F0.48"0"
199289°F48°F0"0"
199175°F45°F0"0"
199088°F45°F0"0"
198982°F45°F0"0"
198881°F47°F0"0"
198756°F49°F1.19"0"
198674°F35°F0"0"
198582°F47°F0"0"
198491°F48°F0"0"
198380°F52°F0"0"
198276°F47°F0"0"
198185°F54°F0.1"0"
198075°F48°F0"0"
197995°F56°F0"0"
197868°F50°F0.41"0"
197766°F53°F0.43"0"
197687°F57°F0"0"
197580°F42°F0"0"
197489°F55°F0"--
197389°F51°F0"--
197275°F45°F0.84"--
197192°F54°F0"--

July 18 at Nearby Parks

Holiday Weather at Glacier

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

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