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Union Square, MD Weather Forecast

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Union Square, MD Weather Forecast

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Union Square MD weather - Sunny - 83°F
Sunny
83°F
Updated 3:27 pm
Feels Like 81°F
Humidity 52%
Wind N/A N/A mph
Barometer  30.21 in
Dew Point 64°F
Union Square MD weather - Sunny - 28°C
Sunny
28°C
Updated 3:27 pm
Feels Like 27°C
Humidity 52%
Wind N/A 0 km/h
Barometer  102.3 kPa
Dew Point 18°C
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Union Square Weather Forecast

THIS AFTERNOON TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Union Square, MD Weather - This Afternoon Mostly Sunny Union Square, MD Weather - Tonight Partly Cloudy Union Square, MD Weather - Wednesday Mostly Sunny Union Square, MD Weather - Wednesday Night Mostly Clear Union Square, MD Weather - Thursday Showers Union Square, MD Weather - Thursday Night Showers Union Square, MD Weather - Friday Mostly Sunny Union Square, MD Weather - Friday Night Partly Cloudy Union Square, MD Weather - Saturday Chance Of Showers Union Square, MD Weather - Saturday Night Mostly Cloudy Union Square, MD Weather - Sunday Partly Sunny Union Square, MD Weather - Sunday Night Partly Cloudy
Mostly Sunny Partly Cloudy Mostly Sunny Mostly Clear Showers Showers Mostly Sunny Partly Cloudy Chance of Showers Mostly Cloudy Partly Sunny Partly Cloudy
Hi: 85°FHi: 29°C
 Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 69°FLo: 21°C
POP: 60% POP: 70% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 225 PM EDT Tue Sep 08 2026 Union Square, MD Weather - WeatherWorld.com

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Union Square Forecast Discussion

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Issued: 239 PM EDT Tue Sep 8 2026

Key Messages

  • 1) Mostly dry through mid week.
  • 2) Shower and thunderstorm chances return Thursday.
  • 3) Cooler and less humid conditions are expected on Friday, before humidity builds back in this weekend.

Discussion

... KEY MESSAGE 1...Mostly dry through mid week.

Conditions will remain tranquil as high pressure persists over the Mid-Atlantic through Wednesday before gradually moving offshore. Large scale subsidence and dry air lead to a mostly precipitation-free forecast with temperatures rising to se...