Morrow County climate

Morrow County Weather in April

NOAA 1991-2020 normals for Heppner, 6.2 km from Morrow County

Average highs run from 58°F on April 1 to 65°F on April 30, and lows from 36°F to 41°F. Normal precipitation for the month is 1.46 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 Morrow County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
61°F
Average low
38°F
Precipitation
1.46 in
Snowfall
0.1 in
Record high
92°FApr 25, 1910
Record low
15°FApr 19, 1987
Chance of a freeze
93%
Daylight
12 h 49 min to 14 h 16 min
Cloud cover
65%
Humidity
62%
Dew point
34°F
Wind
9.2 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 158°F36°F74°F 192319°F 193638%1%
Apr 258°F36°F74°F 191520°F 193638%1%
Apr 358°F36°F81°F 199220°F 191838%1%
Apr 458°F36°F77°F 194422°F 192138%1%
Apr 559°F36°F78°F 196021°F 197538%1%
Apr 659°F36°F80°F 195224°F 193938%1%
Apr 759°F37°F83°F 197721°F 200338%1%
Apr 859°F37°F78°F 199625°F 190138%1%
Apr 959°F37°F81°F 192526°F 193338%1%
Apr 1059°F37°F81°F 192525°F 197238%1%
Apr 1160°F37°F81°F 191320°F 199738%1%
Apr 1260°F37°F79°F 191320°F 196837%1%
Apr 1360°F37°F79°F 193620°F 196837%1%
Apr 1460°F37°F81°F 198523°F 202137%0%
Apr 1560°F38°F83°F 192623°F 202137%0%
Apr 1661°F38°F78°F 192320°F 196836%0%
Apr 1761°F38°F80°F 192621°F 196436%0%
Apr 1861°F38°F82°F 193422°F 196436%0%
Apr 1961°F38°F85°F 193415°F 198736%0%
Apr 2062°F38°F85°F 190620°F 192735%0%
Apr 2162°F39°F85°F 193421°F 195135%0%
Apr 2262°F39°F85°F 193424°F 196035%0%
Apr 2362°F39°F83°F 189520°F 198635%0%
Apr 2463°F39°F88°F 197723°F 192435%0%
Apr 2563°F39°F92°F 191025°F 190935%0%
Apr 2663°F40°F81°F 194620°F 198634%0%
Apr 2764°F40°F83°F 192626°F 197034%0%
Apr 2864°F40°F89°F 192626°F 190734%0%
Apr 2964°F40°F89°F 193924°F 195434%0%
Apr 3065°F41°F84°F 190625°F 197234%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Morrow County, 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 (PDT).

April 1
sunrise 6:38 AM, sunset 7:27 PM
April 30
sunrise 5:48 AM, sunset 8:04 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00353827 (Heppner), public domain. Records: NOAA GHCN-Daily, station USC00353827, 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.