Sisters climate

Sisters Weather in July

NOAA 1991-2020 normals for Sisters, 0.8 km from Sisters

Average highs run from 81°F on July 1 to 88°F on July 31, and lows from 42°F to 44°F. Normal precipitation for the month is 0.55 in.

July day by day

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

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

July at a glance

Average high
86°F
Average low
43°F
Precipitation
0.55 in
Record high
109°FJul 29, 2022
Record low
28°FJul 14, 1962
Chance of a freeze
49%
Days of 90°F or more
11.5
Daylight
15 h 28 min to 14 h 39 min
Cloud cover
30%
Humidity
58%
Dew point
48°F
Wind
6.0 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
Jul 181°F42°F99°F 201331°F 19730%
Jul 281°F42°F102°F 201329°F 19620%
Jul 381°F42°F104°F 196831°F 19620%
Jul 482°F42°F105°F 196829°F 20000%
Jul 582°F42°F104°F 196832°F 19770%
Jul 683°F42°F104°F 196832°F 19620%
Jul 783°F43°F103°F 202432°F 19550%
Jul 884°F43°F104°F 202432°F 19810%
Jul 984°F43°F107°F 202430°F 19640%
Jul 1085°F43°F100°F 200232°F 19710%
Jul 1185°F43°F103°F 200233°F 19810%
Jul 1285°F43°F105°F 200233°F 19740%
Jul 1386°F43°F103°F 202432°F 20100%
Jul 1486°F44°F101°F 198728°F 19620%
Jul 1586°F44°F100°F 202333°F 19620%
Jul 1687°F44°F101°F 202433°F 19640%
Jul 1787°F44°F101°F 197934°F 19860%
Jul 1887°F44°F102°F 196031°F 19620%
Jul 1987°F44°F101°F 197934°F 19640%
Jul 2087°F44°F102°F 195935°F 19660%
Jul 2188°F44°F102°F 200636°F 19540%
Jul 2288°F44°F105°F 195934°F 19650%
Jul 2388°F44°F104°F 200632°F 19630%
Jul 2488°F44°F101°F 200433°F 20140%
Jul 2588°F44°F103°F 197832°F 19630%
Jul 2688°F44°F103°F 202238°F 19630%
Jul 2788°F44°F104°F 202238°F 19860%
Jul 2888°F44°F107°F 202232°F 19590%
Jul 2988°F44°F109°F 202234°F 19500%
Jul 3088°F44°F108°F 202233°F 19810%
Jul 3188°F44°F105°F 202234°F 19630%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sisters, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

July 1
sunrise 5:26 AM, sunset 8:54 PM
July 31
sunrise 5:53 AM, sunset 8:32 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00357857 (Sisters), public domain. Records: NOAA GHCN-Daily, station USW00024230, 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.