Weather on March 18 at Arches

Arches National Park

UTSouthwest4,500 ft elevation
Avg High66°F
Avg Low35°F
Warmest201568°F
Coldest197136°F

Based on 56 years of data from Moab, UT

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

Planning Your Visit

March 18th in Arches National Park (via Moab, UT) typically brings mild spring weather, with average highs around 66°F and lows near 35°F — a 31°F daily swing. Over 56 years of records, the warmest March 18th was in 2015 (68°F average), while the coldest was 1971 (36°F) — a 32°F range across recorded history. Precipitation has occurred on 18% of recorded March 18th dates, with snow falling 2% of the time. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.

Planning for March 18th in Arches? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202677°F40°F0"--
202564°F41°F0"0"
202460°F36°F0"0"
202352°F23°F0"0"
202260°F28°F0"0"
202166°F38°F0"0"
202070°F51°F0.25"0"
201966°F31°F0"0"
201860°F35°F0.48"0"
201783°F42°F0"0"
201669°F31°F0"0"
201578°F58°F0"0"
201470°F30°F0"0"
201364°F31°F0"0"
201266°F26°F0.23"0"
201164°F36°F0"0"
201067°F33°F0"0"
200975°F39°F0"0"
200858°F27°F0"0"
200784°F39°F0"0"
200664°F38°F0"0"
200561°F34°F0"0"
200475°F37°F0"0"
200350°F38°F0.36"0"
200253°F33°F0.13"0"
200166°F30°F0"0"
200060°F33°F0"0"
199975°F33°F0"0"
199860°F32°F0.46"0.3"
199773°F32°F0"0"
199661°F26°F0"0"
199574°F41°F0"0"
199475°F38°F0"0"
199369°F42°F0.36"0"
199266°F39°F0"0"
199171°F39°F0"0"
199068°F34°F0"0"
198968°F34°F0"0"
198857°F21°F0"0"
198767°F32°F0"0"
198657°F32°F0"0"
198568°F39°F0.1"--
198458°F32°F0.81"--
198355°F39°F0.13"0"
198268°F39°F0"0"
198157°F27°F0"0"
198063°F30°F0"0"
197958°F28°F0"0"
197873°F30°F0"0"
197758°F35°F0"0"
197674°F32°F0"0"
197557°F29°F0"0"
197479°F48°F0"0"
197360°F51°F0"0"
197280°F35°F0"0"
197145°F27°F0"0"

March 18 at Nearby Parks

Holiday Weather at Arches

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

Explore More at Arches

See historical weather for other dates

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