Herndon, GA Weather Forecast

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Herndon, GA Weather Forecast

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Herndon GA weather  - Clear - 82°F
Clear
82°F
Updated 6:43 pm
Feels Like 82°F
Humidity 48%
Wind N 0 mph
Barometer  30 in
Dew Point 60°F
Herndon GA weather  - Clear - 28°C
Clear
28°C
Updated 6:43 pm
Feels Like 28°C
Humidity 48%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 16°C

Herndon Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Herndon, GA Weather - Tonight Clear Herndon, GA Weather - Tuesday Sunny Herndon, GA Weather - Tuesday Night Clear Herndon, GA Weather - Wednesday Sunny Herndon, GA Weather - Wednesday Night Clear Herndon, GA Weather - Thursday Sunny Herndon, GA Weather - Thursday Night Clear Herndon, GA Weather - Friday Sunny Herndon, GA Weather - Friday Night Mostly Clear Herndon, GA Weather - Saturday Sunny Herndon, GA Weather - Saturday Night Mostly Clear Herndon, GA Weather - Sunday Sunny
Clear Sunny Clear Sunny Clear Sunny Clear Sunny Mostly Clear Sunny Mostly Clear Sunny
Lo: 55°FLo: 13°C Hi: 85°FHi: 29°C
Lo: 59°FLo: 15°C Hi: 85°FHi: 29°C
Lo: 60°FLo: 16°C Hi: 85°FHi: 29°C
Lo: 61°FLo: 16°C Hi: 85°FHi: 29°C
Lo: 59°FLo: 15°C Hi: 70°FHi: 21°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 542 PM EDT Mon Oct 12 2026 Herndon, GA Weather - WeatherWorld.com

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Herndon Forecast Discussion

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Issued: 219 PM EDT Mon Oct 12 2026

Key Messages

  • 1) Above seasonal temperatures and rain-free conditions will prevail throughout the week.
  • 2) Breezy with temperatures well-below normal this weekend.

Discussion

... KEY MESSAGE 1: Above seasonal temperatures and rain-free conditions will prevail throughout the week.

High pressure has begun to build over the central US today with deep dry northwesterly flow building over the Carolinas. This upper high will slowly expand and drift eastward into the Mid- Atlantic through the end of the wee...