Weather · Washington, United States
Washington Weather in August
August in Washington averages 30°C by day and 20°C at night, with about 148mm of rain. That makes it a reasonable time to visit.
Avg high
30°C
86°F
Avg low
20°C
68°F
Rainfall
148mm
#3 wettest of 12
What to pack
Light, breathable clothes and strong sun protection. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Washington builds it around the season for you.