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Weather on April 18 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High63°F
Avg Low41°F
Warmest198575°F
Coldest198328°F

Based on 56 years of data from Gary, IN

Planning Your Visit

April 18th in Indiana Dunes National Park (via Gary, IN) typically brings mild spring weather, with average highs around 63°F and lows near 41°F. Over 56 years of records, the warmest April 18th was in 1985 (75°F average), while the coldest was 1983 (28°F) — a 47°F range across recorded history. Precipitation has occurred on 32% of recorded April 18th dates, with snow falling 2% of the time. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for April 18th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202684°F48°F--0"
202569°F51°F0.05"0"
202471°F43°F0.08"0"
202340°F31°F0"0"
202240°F31°F0.2"0.2"
202164°F30°F----
202058°F31°F----
201975°F55°F0.38"0"
201838°F25°F0"0"
201768°F39°F0"0"
201679°F53°F0"0"
201577°F56°F0"0"
201463°F39°F0"0"
201360°F45°F3.07"0"
201250°F39°F0"0"
201151°F32°F1.07"0"
201052°F38°F0"0"
200966°F42°F0"0"
200876°F55°F0"0"
200770°F38°F0"0"
200650°F40°F0"0"
200578°F43°F0"0"
200475°F51°F0"0"
200359°F38°F0.03"0"
200282°F66°F0"0"
200138°F26°F0"0"
200045°F39°F0"0"
199947°F32°F0.94"0"
199854°F34°F0"0"
199755°F37°F----
199676°F52°F2.03"0"
199557°F42°F1.3"0"
199466°F47°F0"0"
199363°F42°F0"0"
199267°F40°F0.28"0"
199160°F35°F0"0"
199055°F27°F0"0"
198945°F35°F0.58"0"
198874°F24°F0.13"0"
198777°F40°F0"0"
198671°F32°F0"0"
198585°F65°F0"0"
198446°F30°F0.23"0"
198335°F21°F0"0"
198265°F35°F----
198180°F45°F0"0"
198067°F29°F0"0"
197957°F30°F0"0"
197862°F41°F1.65"0"
197787°F58°F0.76"0"
197682°F59°F0"0"
197572°F61°F2.18"0"
197465°F43°F0"0"
197367°F49°F0.08"0"
197274°F50°F0"0"
197166°F35°F0"0"

April 18 at Nearby Parks

Holiday Weather at Indiana Dunes

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

Explore More at Indiana Dunes

See historical weather for other dates

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