Oakton climate

Oakton Weather in July

NOAA 1991-2020 normals for Vienna, 1.6 km from Oakton

Average highs run from 83°F on July 1 to 84°F on July 31, and lows from 65°F to 67°F. Normal precipitation for the month is 4.26 in over about 10 wet days.

July day by day

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

Normal daily high and low temperature at Oakton, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
67°F
Precipitation
4.26 in
Record high
105°FJul 22, 2011
Record low
41°FJul 1, 1988
Chance of a freeze
0%
Days of 90°F or more
5.6
Daylight
14 h 50 min to 14 h 12 min
Cloud cover
56%
Humidity
67%
Dew point
64°F
Wind
5.6 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 183°F65°F97°F 202641°F 198836%0%
Jul 283°F65°F98°F 196644°F 198836%0%
Jul 384°F65°F103°F 196650°F 196235%0%
Jul 484°F66°F99°F 202648°F 198635%0%
Jul 584°F66°F99°F 199050°F 197135%0%
Jul 684°F66°F102°F 197745°F 197935%0%
Jul 784°F66°F101°F 198847°F 197035%0%
Jul 884°F66°F101°F 201248°F 198334%0%
Jul 984°F66°F99°F 198848°F 198434%0%
Jul 1084°F66°F99°F 198853°F 196334%0%
Jul 1184°F67°F98°F 198852°F 198334%0%
Jul 1284°F67°F97°F 198647°F 200234%0%
Jul 1384°F67°F97°F 196652°F 197833%0%
Jul 1484°F67°F98°F 199353°F 200933%0%
Jul 1584°F67°F99°F 202453°F 198133%0%
Jul 1684°F67°F104°F 198857°F 196633%0%
Jul 1784°F67°F100°F 198855°F 197633%0%
Jul 1884°F67°F101°F 201251°F 198533%0%
Jul 1984°F67°F98°F 197753°F 197633%0%
Jul 2084°F67°F101°F 198055°F 197433%0%
Jul 2184°F67°F101°F 199148°F 196633%0%
Jul 2284°F67°F105°F 201150°F 197433%0%
Jul 2384°F67°F99°F 199150°F 197733%0%
Jul 2484°F67°F99°F 201048°F 198533%0%
Jul 2584°F67°F100°F 201655°F 197633%0%
Jul 2684°F67°F98°F 196650°F 197633%0%
Jul 2784°F67°F98°F 199352°F 197733%0%
Jul 2884°F67°F99°F 199347°F 197733%0%
Jul 2984°F67°F103°F 201152°F 201433%0%
Jul 3084°F67°F98°F 198848°F 201433%0%
Jul 3184°F67°F98°F 199950°F 199733%0%

Chance of rain

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

July 1
sunrise 5:48 AM, sunset 8:38 PM
July 31
sunrise 6:09 AM, sunset 8:21 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00448737 (Vienna), public domain. Records: NOAA GHCN-Daily, station USW00093738, 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.