Union Square, DC Weather Forecast

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Union Square, DC Weather Forecast

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Union Square DC weather  - Mostly Cloudy - 63°F
Mostly Cloudy
63°F
Updated 4:29 pm
Feels Like 57°F
Humidity 39%
Wind WNW 7 mph
Barometer  30.44 in
Dew Point 38°F
Union Square DC weather  - Mostly Cloudy - 17°C
Mostly Cloudy
17°C
Updated 4:29 pm
Feels Like 14°C
Humidity 39%
Wind WNW 11 km/h
Barometer  103.1 kPa
Dew Point 3°C

Union Square Weather Forecast

THIS AFTERNOON TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Union Square, DC Weather - This Afternoon Partly Sunny Union Square, DC Weather - Tonight Mostly Cloudy Union Square, DC Weather - Sunday Mostly Cloudy Union Square, DC Weather - Sunday Night Partly Cloudy Union Square, DC Weather - Monday Mostly Sunny Union Square, DC Weather - Monday Night Mostly Clear Union Square, DC Weather - Tuesday Mostly Sunny Union Square, DC Weather - Tuesday Night Partly Cloudy Union Square, DC Weather - Wednesday Mostly Sunny Union Square, DC Weather - Wednesday Night Mostly Cloudy Union Square, DC Weather - Thursday Chance Of Showers Union Square, DC Weather - Thursday Night Showers
Partly Sunny Mostly Cloudy Mostly Cloudy Partly Cloudy Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny Mostly Cloudy Chance of Showers Showers
Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C
POP: 40% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 225 PM EDT Sat Oct 31 2026 Union Square, DC Weather - WeatherWorld.com

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Union Square Forecast Discussion

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Issued: 121 PM EDT Sat Oct 31 2026

Key Messages

  • 1) Seasonable temperatures and dry through Monday, then rain chances return late next week.

Discussion

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KEY MESSAGE 1...Seasonable temperatures and dry through Monday, then rain chances return late next week.

Strong surface high remains in place across the region through the start of next week. Seasonal temperatures and dry conditions are expected through Monday as highs reach the 60s, and lows settle in the upper 30s to 40s each day. Passing high cirrus today gives way to more mid-le...