Weather on April 15

Portland, OR

55 Years of Data

Avg High
60°F
Avg Low
43°F
Warmest
1990
69°F avg
Coldest
1976
42°F avg

About This Date

April 15th in Portland, OR typically brings mild spring weather, with average highs around 60°F and lows near 43°F. Over 55 years of records, the warmest April 15th was in 1990 (69°F average), while the coldest was 1976 (42°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 51% of April 15th dates historically, with the wettest April 15th recording 2.64" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.

Planning for April 15th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Cooling Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202573°52°62°
202457°46°52°
202358°40°49°
202253°32°43°
202174°45°59°
202066°48°57°
201951°39°45°0.41"
201849°43°46°1.5"
201759°38°48°
201659°41°50°
201558°37°47°
201459°47°53°
201356°37°46°0.1"
201265°42°53°
201150°40°45°2.64"
201063°44°53°0.51"
200955°36°45°
200849°37°43°0.3"
200759°40°49°
200646°39°43°
200552°42°47°0.69"
200459°43°51°0.69"
200359°45°52°0.08"
200251°41°46°1.65"
200168°38°53°
200060°48°54°0.69"
199973°40°56°
199856°41°48°0.23"
199773°50°62°
199667°51°59°0.69"
199560°39°50°
199475°42°59°
199358°47°52°0.71"
199266°51°59°0.08"
199157°39°48°0.05"
1990warmest83°55°69°
198964°52°58°
198859°49°54°0.15"
198767°52°59°
198659°46°53°0.36"
198566°48°57°
198465°51°58°
198373°39°56°
198251°35°43°1.6"
198162°49°55°0.13"
198063°44°53°0.03"
197957°44°51°0.46"
197855°45°50°0.3"
197761°45°53°0.28"
1976coldest48°35°42°0.23"
197552°41°46°
197459°45°52°
197362°45°53°0.18"
197254°42°48°0.13"
197157°40°48°0.05"
55 years of data from PORTLAND KGW-TV

Browse Weather History

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

April 15th Weather in Portland, OR - 55 Years of History