Mount Vernon Square, DC 14 Day Weather
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Mount Vernon Square, DC Weather Forecast


Mount Vernon Square, DC Weather Forecast Dated: 1128 PM Wed Sep 09 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 9, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Very hot with temperatures reaching 91°F 33°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the SSW at 10 mph 17 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 10, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
83°F 28°C
Sunny
Quite warm reaching 81°F 27°C, feeling like 84°F 29°C during peak afternoon, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds switching from the W to the SSW at 4 mph 6 km/h.
Friday, September 11, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
83°F 29°C
Overcast
Early-Evening
78°F 26°C
Overcast
Quite warm around 83°F 29°C, overcast throughout the day, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
78°F 25°C
Light Showers
Early-Evening
75°F 24°C
Overcast
Mild temperatures up to 78°F 25°C, intermittent showers through midday, easing by evening, with steady humidity and steady pressure. Thunderstorms possible in the afternoon and evening. Winds moving from the ESE to the SE at 5 mph 8 km/h.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
81°F 27°C
Overcast
Quite warm reaching 87°F 31°C, feeling like 91°F 33°C during peak afternoon, overcast throughout the day, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
77°F 25°C
Cloudy
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
84°F 29°C
Cloudy
Very hot with a high of 90°F 32°C, feeling closer to 94°F 34°C in the humidity, cloudy throughout the day, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
84°F 29°C
Sunny
Hot and sweltering around 91°F 33°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the S to the SSE at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
80°F 26°C
Sunny
Mid-Afternoon
94°F 34°C
Cloudy
Early-Evening
82°F 28°C
Light Showers
Hot and sweltering around 94°F 34°C (heat index 99°F 37°C), mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds shifting from the WSW to the NNE at 8 mph 13 km/h.
Thursday, September 17, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Mild temperatures up to 75°F 24°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
74°F 23°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
84°F 29°C
Partly Cloudy
Sizzling hot near 91°F 33°C with a heat index reaching 95°F 35°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the SSW to the SW at 9 mph 15 km/h. Gusts up to 24 mph 39 km/h.
Saturday, September 19, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Pleasant near 73°F 23°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the NW to the NNW at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Enjoyable around 74°F 23°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Mild temperatures up to 78°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ESE to the E at 8 mph 13 km/h.
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