worldweather25°Ccooler than usual
usually 26°C–32°C
cooler than 85% of similar days
night: near normal
rain: more rain than usual
wind: exceptionally light
Weather in Washington - 14-day forecast
Detailed weather forecast for Washington, United States of America: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Washington
today🌧️
25°💧 3.1 mm
Sun☁️
23°💧 3 mm
Mon☀️
29°💧 0.4 mm
Tue🌤️
30°💧 0.1 mm
Wed🌤️
33°💧 0.3 mm
Thu☁️
32°💧 3.4 mm
Fri☀️
24°💧 0.8 mm
Sat☁️
26°💧 6.8 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Washington, the forecast high is 23°C. Typical daytime temperatures at this time of year range from 26°C to 31°C, so it will be exceptionally cool. It is cooler than 92% of similar days.
23°Cexceptionally cool
usually 26°C–31°C
cooler than 92% of similar days
night: exceptionally warm
rain: more rain than usual
wind: lighter than usual
29°Cnear normal
usually 26°C–31°C
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
30°Cwarmer than usual
usually 25°C–31°C
warmer than 71% of similar days
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
33°Cexceptionally warm
usually 25°C–31°C
warmer than 91% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
32°Cwarmer than usual
usually 25°C–31°C
warmer than 87% of similar days
night: warmer than usual
rain: more rain than usual
wind: stronger than usual
24°Ccooler than usual
usually 24°C–31°C
cooler than 82% of similar days
night: near normal
rain: typical rainfall
wind: typical
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 2017 (23°C) and the warmest was 1983 (35°C). The current forecast averages 28°C - close to the historical median.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Washington
Washington 30 & 45-day weather - long-range outlook
Next 15 days · forecast
28°
around 21° at night · days with rain: 6
Weeks 3-4 · avg for September
28°
around 18° at night · rain chance 29%
Weeks 5-7 · avg for October
22°
around 12° at night · rain chance 37%
The 30 & 45-day outlook for Washington: the next 15 days are a numerical forecast updated daily - on average 28° by day and 21° at night. Further out we rely on multi-year climate averages: around 28° in September, and about 22° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Washington
Saturday5 September 2026
🌧️25°light rain
Sunday6 September 2026
☁️23°overcast clouds
Monday7 September 2026
☀️29°clear sky
Tuesday8 September 2026
🌤️30°scattered clouds
Wednesday9 September 2026
🌤️33°scattered clouds
Thursday10 September 2026
☁️32°overcast clouds
Friday11 September 2026
☀️24°clear sky
Saturday12 September 2026
☁️26°broken clouds
Sunday13 September 2026
☁️28°broken clouds
Monday14 September 2026
☁️30°broken clouds
Tuesday15 September 2026
☁️33°broken clouds
Wednesday16 September 2026
🌤️32°scattered clouds
Thursday17 September 2026
☁️31°overcast clouds
Friday18 September 2026
🌧️29°light rain
Saturday19 September 2026
🌤️19°scattered clouds
UV index in Washington - is it safe to sunbathe?
Today the UV index in Washington is 5 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Washington weather through the year
Warmest, driest months on average: April, May, June, July.
Upcoming public holidays in United States of America: Labour Day — 7 September · Veterans Day — 11 November · Thanksgiving Day — 26 November.
Nearby and related places
FAQ - Washington weather
What is the weather like in Washington today?
Today it is about 25° during the day and 19° at night, light rain.
How far ahead can I check the forecast for Washington?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.