Mattawa climate

Mattawa Weather in June

NOAA 1991-2020 normals for Priest Rapids Dam, 10.2 km from Mattawa

Average highs run from 79°F on June 1 to 87°F on June 30, and lows from 57°F to 63°F. Normal precipitation for the month is 0.54 in over about 4 wet days.

June day by day

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

Normal daily high and low temperature at Mattawa, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
82°F
Average low
60°F
Precipitation
0.54 in
Record high
105°FJun 28, 2021
Record low
33°FJun 6, 1999
Chance of a freeze
0%
Days of 90°F or more
6.4
Daylight
15 h 37 min to 15 h 48 min
Cloud cover
50%
Humidity
48%
Dew point
44°F
Wind
8.1 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
Jun 179°F57°F92°F 200738°F 200416%0%
Jun 279°F57°F94°F 200736°F 200116%0%
Jun 379°F57°F98°F 202136°F 200116%0%
Jun 479°F57°F98°F 200735°F 200116%0%
Jun 579°F57°F92°F 201639°F 201016%0%
Jun 680°F58°F93°F 200333°F 199916%0%
Jun 780°F58°F99°F 201634°F 200215%0%
Jun 880°F58°F97°F 201635°F 199915%0%
Jun 980°F58°F96°F 202536°F 199915%0%
Jun 1080°F58°F102°F 202535°F 200015%0%
Jun 1181°F59°F97°F 202536°F 201814%0%
Jun 1281°F59°F92°F 202534°F 200114%0%
Jun 1381°F59°F94°F 202338°F 200114%0%
Jun 1481°F59°F95°F 201934°F 202213%0%
Jun 1582°F59°F96°F 199933°F 201613%0%
Jun 1682°F60°F98°F 199936°F 201013%0%
Jun 1782°F60°F91°F 201939°F 200612%0%
Jun 1882°F60°F94°F 200340°F 201012%0%
Jun 1983°F60°F92°F 202136°F 201612%0%
Jun 2083°F61°F92°F 202642°F 200211%0%
Jun 2183°F61°F94°F 200138°F 200311%0%
Jun 2284°F61°F98°F 200538°F 200311%0%
Jun 2384°F61°F102°F 200439°F 200310%0%
Jun 2484°F61°F101°F 200440°F 200310%0%
Jun 2585°F62°F100°F 200435°F 200110%0%
Jun 2685°F62°F100°F 200640°F 200710%0%
Jun 2786°F62°F103°F 200638°F 20129%0%
Jun 2886°F63°F105°F 202142°F 20199%0%
Jun 2986°F63°F105°F 202143°F 20019%0%
Jun 3087°F63°F105°F 202142°F 20078%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mattawa, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

June 1
sunrise 5:09 AM, sunset 8:46 PM
June 30
sunrise 5:09 AM, sunset 8:57 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00456747 (Priest Rapids Dam), public domain. Records: NOAA GHCN-Daily, station USC00457522, 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.