Weather on March 26

Longmont, CO

55 Years of Data

Avg High
58°F
Avg Low
28°F
Warmest
2026
69°F avg
Coldest
1996
15°F avg

About This Date

March 26th in Longmont, CO typically brings cool spring weather, with average highs around 58°F and lows near 28°F — a 30°F daily swing. Over 56 years of records, the warmest March 26th was in 2026 (69°F average), while the coldest was 1996 (15°F) — a 54°F range across recorded history. Precipitation has occurred on 21% of recorded March 26th dates, with snow falling 7% of the time (heaviest snowfall: 16.2"). The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.

Planning for March 26th in Longmont, CO? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest92°47°69°
202576°36°56°
202433°19°26°
202341°16°28°
202263°33°48°
202149°22°35°
202068°34°51°
201963°30°46°
201864°36°50°0.08"
201762°39°51°0.53"
201639°24°32°0.15"0.5"
201563°27°45°
201466°32°49°
201350°14°32°
201278°41°60°
201155°28°42°
201045°29°37°0.28"0.1"
200941°17°29°3.35"16.2"
200870°29°49°
200765°38°51°
200660°32°46°
200540°28°34°0.03"
200475°37°56°
200354°32°43°
200238°14°26°
200137°23°30°0.81"2"
200068°29°48°
199970°26°48°
199880°38°59°
199755°20°37°
1996coldest26°15°
199551°29°40°
199458°25°41°
199376°32°54°
199262°29°45°
199170°38°54°
199044°19°32°
198973°28°51°
198862°24°43°
198746°19°33°
198664°32°48°
198567°35°51°
198442°26°34°0.05"
198342°27°34°0.05"
198249°14°31°
198162°33°48°
198048°28°38°0.23"
197962°25°43°0.2"
197858°30°44°
197767°31°49°
197671°30°51°0.28"
197552°24°38°
197458°21°39°
197352°22°37°
197275°33°54°
197160°29°44°
56 years of data from LONGMONT 2 ESE

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.