Sammamish climate

Sammamish Weather in June

NOAA 1991-2020 normals for Seattle Sand Pt Wsfo, 14.1 km from Sammamish

Average highs run from 68°F on June 1 to 73°F on June 30, and lows from 51°F to 55°F. Normal precipitation for the month is 1.57 in over about 11 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 Sammamish, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
70°F
Average low
53°F
Precipitation
1.57 in
Record high
109°FJun 28, 2021
Record low
44°FJun 8, 2002
Chance of a freeze
0%
Daylight
15 h 45 min to 15 h 56 min
Cloud cover
62%
Humidity
82%
Dew point
50°F
Wind
3.4 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 168°F51°F86°F 202146°F 202639%0%
Jun 268°F51°F87°F 200945°F 199939%0%
Jun 368°F51°F87°F 200746°F 201039%0%
Jun 468°F51°F90°F 200945°F 200139%0%
Jun 568°F52°F92°F 201647°F 201238%0%
Jun 669°F52°F90°F 200345°F 201238%0%
Jun 769°F52°F91°F 200345°F 200238%0%
Jun 869°F52°F89°F 202544°F 200238%0%
Jun 969°F52°F87°F 202545°F 200838%0%
Jun 1069°F52°F82°F 202545°F 200837%0%
Jun 1169°F52°F84°F 201947°F 202637%0%
Jun 1269°F52°F94°F 201946°F 200737%0%
Jun 1370°F52°F94°F 200249°F 201536%0%
Jun 1470°F53°F88°F 202648°F 202236%0%
Jun 1570°F53°F90°F 202645°F 201635%0%
Jun 1670°F53°F79°F 200347°F 200835%0%
Jun 1770°F53°F86°F 200348°F 201134%0%
Jun 1870°F53°F89°F 201850°F 200834%0%
Jun 1971°F53°F87°F 200447°F 200733%0%
Jun 2071°F53°F88°F 200448°F 201233%0%
Jun 2171°F53°F90°F 202149°F 201432%0%
Jun 2271°F53°F85°F 202649°F 201031%0%
Jun 2372°F54°F89°F 202649°F 200831%0%
Jun 2472°F54°F89°F 202648°F 200830%0%
Jun 2572°F54°F95°F 201749°F 200730%0%
Jun 2672°F54°F101°F 202148°F 200729%0%
Jun 2773°F54°F103°F 202147°F 201229%0%
Jun 2873°F54°F109°F 202151°F 199928%0%
Jun 2973°F54°F90°F 200850°F 200928%0%
Jun 3073°F55°F91°F 201350°F 200727%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sammamish, 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).

June 1
sunrise 5:14 AM, sunset 8:59 PM
June 30
sunrise 5:14 AM, sunset 9:10 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094290 (Seattle Sand Pt Wsfo), public domain. Records: NOAA GHCN-Daily, station USW00094248, 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.