Portland climate

Portland Weather in April

NOAA 1991-2020 normals for Cashton, 6.9 km from Portland

Average highs run from 49°F on April 1 to 63°F on April 30, and lows from 31°F to 42°F. Normal precipitation for the month is 3.54 in over about 11 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Portland, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
56°F
Average low
37°F
Precipitation
3.54 in
Snowfall
3.8 in
Record high
90°FApr 30, 1952
Record low
-8°FApr 6, 1982
Chance of a freeze
100%
Daylight
12 h 45 min to 14 h 08 min
Cloud cover
66%
Humidity
76%
Dew point
37°F
Wind
11.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 149°F31°F74°F 20032°F 192431%9%
Apr 250°F31°F78°F 194610°F 196232%9%
Apr 350°F32°F76°F 19217°F 195432%9%
Apr 451°F32°F81°F 19291°F 198232%9%
Apr 551°F33°F79°F 19919°F 199533%9%
Apr 652°F33°F85°F 1991-8°F 198233%8%
Apr 752°F33°F78°F 1991-3°F 198233%8%
Apr 853°F34°F83°F 19312°F 197234%8%
Apr 953°F34°F78°F 197111°F 198234%8%
Apr 1054°F35°F88°F 193012°F 192835%8%
Apr 1154°F35°F84°F 193012°F 197335%7%
Apr 1255°F35°F81°F 197714°F 193935%7%
Apr 1355°F36°F83°F 202311°F 197336%7%
Apr 1456°F36°F85°F 200316°F 198636%7%
Apr 1556°F37°F87°F 200214°F 192836%6%
Apr 1657°F37°F83°F 196416°F 192837%6%
Apr 1757°F37°F85°F 197710°F 198337%6%
Apr 1858°F38°F87°F 198518°F 198338%5%
Apr 1958°F38°F84°F 194815°F 198338%5%
Apr 2059°F39°F83°F 198518°F 198338%5%
Apr 2159°F39°F88°F 198020°F 190438%5%
Apr 2260°F39°F89°F 198013°F 198639%4%
Apr 2360°F40°F89°F 198018°F 191039%4%
Apr 2461°F40°F83°F 196022°F 197439%4%
Apr 2561°F41°F86°F 193924°F 191939%4%
Apr 2662°F41°F85°F 193922°F 198239%4%
Apr 2762°F41°F84°F 197020°F 198239%3%
Apr 2862°F42°F83°F 195225°F 197339%3%
Apr 2963°F42°F87°F 191023°F 195839%3%
Apr 3063°F42°F90°F 195220°F 195640%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Portland, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:45 AM, sunset 7:30 PM
April 30
sunrise 5:57 AM, sunset 8:05 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00471280 (Cashton), public domain. Records: NOAA GHCN-Daily, station USC00478827, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.