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DC-area forecast: Nice today before rising heat, humidity, and storm chances

Sunrise behind the Old Post Office Tower in DC
Sun rising on Monday behind the Old Post Office Tower in DC, with the World War II Memorial fountain in the foreground. (Jeanne Stuart McVey/Flickr)

Always a human at the helm: Updated around-the-clock by Capital Weather meteorologists.

Happening now: Not too humid with afternoon highs in the upper 70s to mid-80s.

What’s next? Humidity roars back tomorrow with showers likely and storms possible. Heating up into the 90s Thursday and Friday with icky humidity and some strong storms possible.

Today’s daily digit — 8/10: An eight is still great with low humidity and comfortable warmth, but we would love to see a higher sun-to-cloud ratio. | 🤚 Your call?
The digit is a somewhat subjective rating of the day’s weather, on a 0-to-10 scale.

Forecast in detail

Today (Tuesday): Another pleasant day, as partly sunny skies propel temperatures to afternoon highs in the upper 70s to mid-80s. The good news is that humidity is still on the low side (dew points in the 50s to near 60). A light wind starts to come from the south at 5 to 10 mph. Confidence: High

Tonight: Mostly cloudy with increasing humidity and an isolated shower possible, until a better chance of showers after 4 a.m. or so. Lows only dip into the upper 60s to near 70. Confidence: Medium-High

Tomorrow (Wednesday): Back to hotter highs in the mid-80s to near 90 and high humidity (dew points rising to the low 70s). Showers are likely during the morning until about 11 a.m. Then we could see scattered showers and thunderstorms during the afternoon into evening, especially between 2 and 7 p.m. (check back for timing adjustments). Some needed downpours are possible, but those look quite hit or miss. Winds are from the southwest at 10 to 15 mph. Confidence: Medium

Tomorrow night: Mostly cloudy and muggy with still a chance of scattered showers or a thunderstorm into the evening, but most of the night should be dry with lows in the muggy 70s. Confidence: Medium

A look ahead

Thursday and Friday are a pair of partly to mostly sunny hot peppers, with highs at least in the low to mid-90s, and the heat index potentially peaking near 100. We have a chance of showers and storms both afternoons into evenings. Some storms could be strong to severe, particularly with gusty winds. Lows in the 70s Thursday night, then cooler 60s for lows Friday night. Confidence: Medium

The weekend is looking better with partly to mostly sunny skies and lowering humidity (dew points falling into the low 60s) even as highs lift into the upper 80s to near 90. There is a low chance for a shower or storm Sunday afternoon or evening. Partly cloudy Saturday night with upper 50s to mid-60s for lows. Confidence: Medium

There is some rain potential early next week, but it's too soon to get into details. It doesn't look quite as hot with highs in the 80s.

On this day

DC weather history for June 9

A destructive 1928 tornado tore through the District, while decades later severe storms brought flooding rains and widespread damage.

Sunrise5:43 AMSunset8:33 PM
Avg High83°Avg Low66°
Rec High102° 2011Rec Low45° 1913Rec Rain2.19" 1990
Read full June 9 weather history →
Matt Rogers

Matt Rogers

Meteorologist and president and co-founder of the Commodity Weather Group. Specializes in long-range prediction.

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