Weather on July 21

Meridian, ID

55 Years of Data

Avg High
94°F
Avg Low
59°F
Warmest
2024
90°F avg
Coldest
1993
59°F avg

About This Date

July 21st in Meridian, ID typically brings hot summer weather, with average highs around 94°F and lows near 59°F — a 35°F daily swing. Over 55 years of records, the warmest July 21st was in 2024 (90°F average), while the coldest was 1993 (59°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 9% of July 21st dates historically. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

Planning for July 21st in Meridian, ID? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
2.4°F per decade on this date
YearHighLowAvgPrecipSnow
202577°62°70°
2024warmest108°73°90°
2023105°70°87°
2022100°64°82°
202195°68°82°0.03"
202099°63°81°
201997°57°77°
201897°59°78°
201794°58°76°
2016100°64°82°
201595°66°81°0.05"
201483°71°77°
201399°62°80°
201296°61°78°
201188°58°73°
201095°60°78°
200999°65°82°
200895°71°83°
200797°64°80°
2006104°68°86°
2005107°68°88°
200493°61°77°
2003101°65°83°
200295°62°79°
200186°55°71°
2000102°67°84°
199990°54°72°
1998100°63°81°
1997101°68°84°
199691°51°71°
199590°60°75°
199497°49°73°
1993coldest75°43°59°0.08"
199292°54°73°
199193°60°77°
199095°64°80°
198991°63°77°0.05"
1988102°51°77°
198786°48°67°
198691°50°71°
198596°52°74°
198487°53°70°
198388°44°66°
198293°52°72°
198187°51°69°
198095°50°73°
197993°55°74°
197885°48°66°
197799°65°82°
197687°54°70°
197591°59°75°0.13"
197494°53°73°
197378°55°67°
197274°47°60°
197195°57°76°
55 years of data from KUNA

Browse Weather History

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