Weather on March 17

El Cajon, CA

55 Years of Data

Avg High
73°F
Avg Low
48°F
Warmest
2026
81°F avg
Coldest
1991
51°F avg

About This Date

March 17th in El Cajon, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 48°F. Over 56 years of records, the warmest March 17th was in 2026 (81°F average), while the coldest was 1991 (51°F). Rain or other precipitation has occurred on about 16% of March 17th dates historically.

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

Planning for March 17th in El Cajon, CA? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest96°66°81°
202568°49°58°0.08"
202470°44°57°
202369°43°56°
202281°46°63°
202168°38°53°
202063°52°57°1.02"
201981°45°63°
201861°50°55°0.51"
201783°52°67°
201681°51°66°
201583°53°68°
201480°48°64°
201368°52°60°
201258°51°54°2.21"
201173°51°62°
201085°47°66°
200985°45°65°
200863°43°53°
200767°53°60°
200662°46°54°
200570°46°58°
200488°53°70°
200364°50°57°
200261°42°51°
200175°50°63°
200079°54°66°
199962°40°51°
199868°54°61°
199776°51°63°
199674°47°60°
199566°55°61°
199477°52°64°
199374°55°64°
199268°51°60°
1991coldest65°38°51°
199079°43°61°
198970°52°61°
198878°41°60°
198772°41°56°
198661°45°53°0.89"
198574°47°60°
198471°45°58°
198373°51°62°0.66"
198257°50°54°2.46"
198175°45°60°
198079°44°61°
197969°46°58°2.67"
197891°42°67°
197764°39°52°0.71"
197680°49°64°
197567°37°52°
197478°48°63°
197368°42°55°
197268°52°60°
197175°41°58°
56 years of data from GILLESPIE FLD

Browse Weather History

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