Washington weather in August: Washington, Pennsylvania: normal highs, lows, rain and records for August

Washington in August has a normal high of 83°F and a normal low of 60°F, a daily mean of 71°F, falling from 83°F on the 1st to 81°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 3.48 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 28°C and low of 16°C, 88 mm of precipitation in August.

  • NOAA stationWashington (3 mi NE)
  • Station IDUSC00369318
  • Location40.18°N 80.19°W
  • Elevation1,300 ft (396 m)
  • From the center3 miles
  • Population13,334
  1. Jan 37° 20°
  2. Feb 40° 22°
  3. Mar 49° 29°
  4. Apr 63° 40°
  5. May 72° 49°
  6. Jun 80° 58°
  7. Jul 83° 62°
  8. Aug 83° 60°
  9. Sep 76° 54°
  10. Oct 64° 43°
  11. Nov 52° 33°
  12. Dec 41° 26°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Washington in August?

The normal high is 83°F and the normal low 60°F, for a daily mean of 71.4°F. August is 1.2°F cooler than July and 6.6°F warmer than September. August is the 2nd warmest month of the year in Washington and the 6th wettest. Across the month the normal high falls 2°F, from 83°F on August 1 to 81°F on August 31. From one year to the next August's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 69°F and 74°F.

Washington in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 183°F61°F37%23%
August 883°F61°F36%22%
August 1583°F61°F34%21%
August 2282°F60°F32%20%
August 3181°F59°F31%19%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Washington: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 183°F61°F37%23%14 h 20 min
August 283°F61°F37%23%14 h 20 min
August 383°F61°F37%23%14 h 10 min
August 483°F61°F37%23%14 h 10 min
August 583°F61°F37%23%14 h 10 min
August 683°F61°F36%22%14 h 10 min
August 783°F61°F36%22%14 h 10 min
August 883°F61°F36%22%14 h
August 983°F61°F36%22%14 h
August 1083°F61°F36%22%14 h
August 1183°F61°F35%22%14 h
August 1283°F61°F35%22%14 h
August 1383°F61°F35%22%13 h 50 min
August 1483°F61°F34%21%13 h 50 min
August 1583°F61°F34%21%13 h 50 min
August 1683°F61°F34%21%13 h 50 min
August 1783°F61°F33%21%13 h 40 min
August 1883°F60°F33%21%13 h 40 min
August 1983°F60°F33%21%13 h 40 min
August 2083°F60°F33%21%13 h 40 min
August 2182°F60°F32%20%13 h 30 min
August 2282°F60°F32%20%13 h 30 min
August 2382°F60°F32%20%13 h 30 min
August 2482°F60°F32%20%13 h 30 min
August 2582°F60°F31%20%13 h 20 min
August 2682°F60°F31%20%13 h 20 min
August 2782°F59°F31%20%13 h 20 min
August 2882°F59°F31%19%13 h 20 min
August 2981°F59°F31%19%13 h 10 min
August 3081°F59°F31%19%13 h 10 min
August 3181°F59°F31%19%13 h 10 min
Normal high
83°FAugust average
Normal low
60°FAugust average
Precipitation
3.48 inmonth total
Days with precipitation
100.01 inch or more
Days at 90°F or more
2
Daylight
14 h 20 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
30
Days at 80°F or more
19
Sunshine
78%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00369318; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Washington in August?

On a given August day the chance of 0.01 inch or more is 34% on average, highest around August 1 (37%). In all, 3.48 in falls on 10 days of a normal August, 1 of them with an inch or more.

In a normal August in Washington, 2 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00369318.

How does August in Washington compare across Pennsylvania?

Across the 108 places PlainClimate covers in Pennsylvania, August normal highs run from 75°F in Laporte to 87°F in Marcus Hook; Washington's is 83°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places