Onset climate

Onset Weather in June

NOAA 1991-2020 normals for E Wareham, 2.8 km from Onset

Average highs run from 70°F on June 1 to 79°F on June 30, and lows from 52°F to 62°F. Normal precipitation for the month is 3.70 in over about 10 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 Onset, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
75°F
Average low
57°F
Precipitation
3.70 in
Record high
94°FJun 25, 2025
Record low
37°FJun 2, 2026
Chance of a freeze
0%
Days of 90°F or more
0.6
Daylight
15 h 01 min to 15 h 10 min
Cloud cover
61%
Humidity
84%
Dew point
58°F
Wind
12.3 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 170°F52°F89°F 201338°F 202036%0%
Jun 271°F53°F82°F 201337°F 202636%0%
Jun 371°F53°F82°F 202341°F 201736%0%
Jun 471°F53°F77°F 202638°F 201536%0%
Jun 572°F54°F84°F 202038°F 201136%0%
Jun 672°F54°F86°F 202541°F 201235%0%
Jun 772°F54°F87°F 202141°F 201235%0%
Jun 872°F55°F81°F 201139°F 201735%0%
Jun 973°F55°F83°F 201144°F 201934%0%
Jun 1073°F55°F84°F 202147°F 202334%0%
Jun 1173°F56°F81°F 201743°F 202134%0%
Jun 1274°F56°F82°F 202644°F 201834%0%
Jun 1374°F56°F89°F 201749°F 201934%0%
Jun 1474°F57°F88°F 201751°F 201633%0%
Jun 1575°F57°F84°F 202645°F 201733%0%
Jun 1675°F57°F78°F 201645°F 201133%0%
Jun 1775°F58°F78°F 201646°F 202132%0%
Jun 1876°F58°F81°F 201845°F 201532%0%
Jun 1976°F58°F84°F 201446°F 201232%0%
Jun 2076°F59°F81°F 202546°F 201232%0%
Jun 2177°F59°F87°F 201246°F 201431%0%
Jun 2277°F59°F89°F 201249°F 201431%0%
Jun 2377°F60°F89°F 201248°F 201431%0%
Jun 2477°F60°F84°F 202548°F 202231%0%
Jun 2578°F60°F94°F 202548°F 202230%0%
Jun 2678°F61°F88°F 202548°F 201630%0%
Jun 2778°F61°F85°F 201348°F 201630%0%
Jun 2878°F61°F81°F 202044°F 201430%0%
Jun 2979°F61°F82°F 202149°F 201430%0%
Jun 3079°F62°F86°F 202156°F 201429%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Onset, 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 (EDT).

June 1
sunrise 5:10 AM, sunset 8:11 PM
June 30
sunrise 5:11 AM, sunset 8:21 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00192451 (E Wareham), public domain. Records: NOAA GHCN-Daily, station USC00192372, 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.