Cedar Mill climate

Cedar Mill Weather in May

NOAA 1991-2020 normals for Nature Park-Beaverton, 3.7 km from Cedar Mill

Average highs run from 68°F on May 1 to 71°F on May 31, and lows from 47°F to 52°F. Normal precipitation for the month is 2.16 in over about 13 wet days.

May day by day

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

Normal daily high and low temperature at Cedar Mill, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
70°F
Average low
50°F
Precipitation
2.16 in
Record high
94°FMay 15, 2006
Record low
30°FMay 8, 2002
Chance of a freeze
0%
Daylight
14 h 19 min to 15 h 26 min
Cloud cover
70%
Humidity
84%
Dew point
48°F
Wind
4.5 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
May 168°F47°F87°F 201430°F 201347%0%
May 268°F47°F85°F 201631°F 200646%0%
May 368°F48°F90°F 202634°F 201046%0%
May 468°F48°F83°F 201333°F 201045%0%
May 569°F48°F84°F 201334°F 199945%0%
May 669°F48°F84°F 201332°F 200044%0%
May 769°F48°F87°F 201631°F 200244%0%
May 869°F48°F80°F 201530°F 200244%0%
May 969°F49°F86°F 202032°F 200644%0%
May 1070°F49°F88°F 202432°F 201244%0%
May 1170°F49°F88°F 202434°F 200244%0%
May 1270°F49°F87°F 202334°F 201143%0%
May 1370°F49°F92°F 202332°F 202244%0%
May 1470°F49°F90°F 202337°F 200744%0%
May 1570°F50°F94°F 200635°F 200244%0%
May 1670°F50°F93°F 200836°F 200244%0%
May 1770°F50°F92°F 200836°F 200344%0%
May 1870°F50°F85°F 200631°F 200344%0%
May 1970°F50°F85°F 202335°F 200344%0%
May 2070°F50°F81°F 202334°F 202144%0%
May 2170°F51°F85°F 200138°F 202145%0%
May 2271°F51°F94°F 200138°F 200745%0%
May 2371°F51°F88°F 199937°F 200544%0%
May 2471°F51°F81°F 199938°F 201144%0%
May 2571°F51°F83°F 200137°F 200944%0%
May 2671°F51°F86°F 200535°F 201144%0%
May 2771°F51°F94°F 200541°F 201144%0%
May 2871°F51°F92°F 202037°F 200144%0%
May 2971°F51°F87°F 200933°F 200144%0%
May 3071°F52°F91°F 200736°F 199944%0%
May 3171°F52°F92°F 200139°F 202343%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cedar Mill, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:59 AM, sunset 8:18 PM
May 31
sunrise 5:26 AM, sunset 8:52 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00355945 (Nature Park-Beaverton), public domain. Records: NOAA GHCN-Daily, station USW00094261, 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.