West Mifflin climate

West Mifflin Weather in August

NOAA 1991-2020 normals for Mckeesport, 2.7 km from West Mifflin

Average highs run from 85°F on August 1 to 81°F on August 31, and lows from 61°F to 58°F. Normal precipitation for the month is 3.53 in over about 10 wet days.

August day by day

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

Normal daily high and low temperature at West Mifflin, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
60°F
Precipitation
3.53 in
Record high
99°FAug 27, 1948
Record low
46°FAug 31, 1935
Chance of a freeze
0%
Days of 90°F or more
3.8
Daylight
14 h 17 min to 13 h 07 min
Cloud cover
57%
Humidity
68%
Dew point
59°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
Aug 185°F61°F93°F 200253°F 194737%0%
Aug 285°F61°F94°F 200257°F 195137%0%
Aug 385°F61°F93°F 200556°F 202537%0%
Aug 485°F61°F95°F 200552°F 195137%0%
Aug 585°F61°F90°F 201148°F 195137%0%
Aug 684°F61°F92°F 202451°F 200437%0%
Aug 784°F61°F92°F 200151°F 200437%0%
Aug 884°F61°F92°F 200153°F 200237%0%
Aug 984°F61°F94°F 194953°F 201736%0%
Aug 1084°F61°F93°F 194955°F 194836%0%
Aug 1184°F61°F93°F 194954°F 200836%0%
Aug 1284°F61°F93°F 200554°F 195036%0%
Aug 1384°F61°F95°F 200552°F 200636%0%
Aug 1484°F61°F92°F 200252°F 201335%0%
Aug 1584°F61°F91°F 195149°F 201335%0%
Aug 1684°F60°F94°F 193849°F 201435%0%
Aug 1784°F60°F92°F 193755°F 200435%0%
Aug 1883°F60°F90°F 193754°F 200735%0%
Aug 1983°F60°F91°F 193753°F 202334%0%
Aug 2083°F60°F93°F 193750°F 194934%0%
Aug 2183°F60°F98°F 193650°F 194934%0%
Aug 2283°F60°F95°F 193650°F 195034%0%
Aug 2383°F59°F95°F 193648°F 195234%0%
Aug 2483°F59°F92°F 200750°F 195234%0%
Aug 2583°F59°F94°F 194851°F 194633%0%
Aug 2682°F59°F95°F 194852°F 194533%0%
Aug 2782°F59°F99°F 194850°F 194533%0%
Aug 2882°F59°F98°F 194854°F 194633%0%
Aug 2982°F58°F91°F 202450°F 194633%0%
Aug 3082°F58°F92°F 194549°F 194633%0%
Aug 3181°F58°F94°F 194546°F 193533%0%

Chance of rain

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

August 1
sunrise 6:17 AM, sunset 8:34 PM
August 31
sunrise 6:46 AM, sunset 7:53 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00365573 (Mckeesport), public domain. Records: NOAA GHCN-Daily, station USW00014762, 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.