Weather on August 17 at Glacier

Glacier National Park

MTRocky Mountain4,500 ft elevation
Avg High82°F
Avg Low47°F
Warmest200476°F
Coldest199552°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

August 17th in Glacier National Park (via Kalispell, MT) typically brings warm summer weather, with average highs around 82°F and lows near 47°F — a 35°F daily swing. Over 55 years of records, the warmest August 17th was in 2004 (76°F average), while the coldest was 1995 (52°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 17th dates historically, with the wettest August 17th recording 1.57" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.

Planning for August 17th in Glacier? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202578°F43°F0"0"
202485°F46°F0"0"
2023100°F52°F0"0"
202294°F50°F0"0"
202163°F50°F0.2"0"
202095°F53°F0"0"
201969°F49°F0.08"0"
201885°F44°F0"0"
201784°F44°F0"0"
201690°F50°F0"0"
201582°F49°F0"0"
201481°F52°F0"0"
201389°F56°F0"0"
201286°F40°F0"0"
201185°F37°F0"0"
201087°F47°F0"0"
200972°F48°F0"0"
200899°F52°F0"0"
200788°F52°F0"0"
200676°F49°F0.28"0"
200570°F48°F0.15"0"
200489°F62°F0.1"--
200378°F52°F0"--
200277°F34°F0.08"--
200195°F46°F0"--
200087°F39°F0"--
199979°F42°F0"--
199874°F36°F0"0"
199776°F46°F0"0"
199679°F48°F0"0"
199560°F45°F0.64"0"
199482°F38°F0"0"
199361°F54°F0.99"0"
199293°F52°F0"0"
199187°F51°F0"0"
199080°F55°F0"0"
198968°F39°F0"0"
198893°F48°F0"0"
198767°F42°F0"0"
198691°F53°F0"0"
198575°F37°F0"0"
198491°F51°F0.03"0"
198384°F41°F0"0"
198285°F48°F0"0"
198190°F55°F0"0"
198075°F49°F0"0"
197988°F50°F0"0"
197863°F47°F1.57"0"
197791°F51°F0"0"
197672°F38°F0"0"
197574°F53°F1.07"0"
197482°F44°F0"--
197385°F55°F0"--
197281°F51°F0"--
197183°F48°F0"--

August 17 at Nearby Parks

Holiday Weather at Glacier

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

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