Weather on August 25 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High82°F
Avg Low62°F
Warmest202083°F
Coldest201760°F

Based on 55 years of data from Gary, IN

Planning Your Visit

August 25th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 55 years of records, the warmest August 25th was in 2020 (83°F average), while the coldest was 2017 (60°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 25th dates historically, with the wettest August 25th recording 6.07" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

Planning for August 25th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202577°F64°F0"0"
202490°F67°F0"0"
202396°F69°F0"0"
202282°F61°F0"0"
202196°F--6.07"0"
202093°F73°F0"0"
201978°F58°F----
201880°F65°F----
201772°F49°F0"0"
201681°F69°F1.52"0"
201573°F59°F0"0"
201486°F69°F0"0"
201385°F61°F0"0"
201289°F63°F0"0"
201189°F68°F0"0"
201080°F66°F0"0"
200977°F52°F0"0"
200874°F59°F0"0"
200783°F69°F1.73"0"
200683°F65°F0.51"0"
200577°F61°F0"0"
200481°F66°F1.47"0"
200384°F66°F0"0"
200276°F61°F0.08"0"
200183°F65°F0.66"0"
200078°F57°F0"0"
199970°F65°F0.33"0"
199882°F59°F0"0"
199774°F57°F0"0"
199683°F60°F--0"
199583°F66°F0"0"
199484°F65°F0"0"
199389°F65°F0"0"
199288°F68°F0"0"
199191°F62°F0"0"
199084°F61°F0"0"
198979°F59°F0"0"
198882°F59°F0"0"
198773°F61°F2.34"0"
198679°F57°F0"0"
198579°F59°F0.18"0"
198481°F50°F0"0"
198388°F66°F0"0"
198277°F61°F0.05"0"
198185°F67°F0.76"0"
198084°F68°F0"0"
197974°F57°F0"0"
197888°F70°F0"0"
197778°F46°F0"0"
197681°F64°F0"0"
197589°F73°F0"0"
197480°F51°F0"0"
197386°F65°F0"0"
197284°F62°F0"0"
197185°F54°F5.92"0"

August 25 at Nearby Parks

Holiday Weather at Indiana Dunes

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

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