Weather on June 21

Fort Collins, CO

55 Years of Data

Avg High
84°F
Avg Low
55°F
Warmest
2017
81°F avg
Coldest
2004
60°F avg

About This Date

June 21st in Fort Collins, CO typically brings warm summer weather, with average highs around 84°F and lows near 55°F — a 29°F daily swing. Over 55 years of records, the warmest June 21st was in 2017 (81°F average), while the coldest was 2004 (60°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 25% of June 21st dates historically, with the wettest June 21st recording 0.69" 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 June 21st in Fort Collins, CO? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202595°65°80°
202485°61°73°
202382°54°68°
202280°55°68°
202173°53°63°0.03"
202080°62°71°0.03"
201970°52°61°0.48"
201879°51°65°0.03"
2017warmest100°63°81°
201699°58°78°
201593°58°75°
201486°56°71°
201393°59°76°
201288°57°72°
201180°55°68°
201086°61°73°
200983°54°68°
200886°50°68°0.03"
200792°56°74°
200682°56°69°
200590°58°74°
2004coldest68°51°60°0.69"
200385°51°68°
200288°58°73°
200178°53°66°
200080°45°62°
199985°54°69°0.33"
199876°52°64°
199785°61°73°
199676°58°67°0.61"
199585°57°71°0.03"
199475°57°66°0.2"
199384°53°69°
199278°49°63°0.48"
199178°55°67°0.23"
199078°54°66°
198985°53°69°
198894°60°77°0.3"
198787°52°69°
198689°53°71°
198581°60°70°
198487°52°69°
198390°55°72°
198277°50°64°
198189°58°73°
198087°54°70°0.18"
197985°50°67°
197886°51°69°
197783°54°68°
197692°56°74°
197571°50°61°
197491°57°74°
197380°47°63°
197286°52°69°
197191°57°74°
55 years of data from FT COLLINS

Browse Weather History

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