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Herndon GA Weather - Clear - 62°F
Clear
62°F
Updated 5:06 am
Feels Like 61°F
Humidity 93%
Wind WNW 7 mph
Barometer  30.02 in
Dew Point 60°F
Herndon GA Weather - Clear - 17°C
Clear
17°C
Updated 5:06 am
Feels Like 16°C
Humidity 93%
Wind WNW 11 km/h
Barometer  101.6 kPa
Dew Point 16°C
Herndon, GA Weather and Current Conditionsherndon ga weather forecast

Herndon, GA Weather Forecast

Herndon Georgia WeatherHerndon, Georgia Weather Weather Forecast
14 day API Herndon, GA weather forecast. Note. Our 7-day weather forecast for Herndon, Georgia is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Herndon, GA Weather Forecast Dated: 506 AM Mon Oct 12 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Monday, October 12, 2026

Mid-Morning
Herndon Weather - 2026-10-12 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-12 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Herndon Weather - 2026-10-12 - Evening - Sunny
77°F 25°C
Sunny
Warm and summery near 85°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NW to the N at 5 mph 8 km/h.

Tuesday, October 13, 2026

Mid-Morning
Herndon Weather - 2026-10-13 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-13 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Herndon Weather - 2026-10-13 - Evening - Sunny
79°F 26°C
Sunny
Balmy with temperatures reaching 86°F 30°C, sunny throughout the day, with lower humidity and steady pressure.

Wednesday, October 14, 2026

Mid-Morning
Herndon Weather - 2026-10-14 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-14 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Herndon Weather - 2026-10-14 - Evening - Sunny
79°F 26°C
Sunny
Quite warm around 86°F 30°C, sunny throughout the day, with lower humidity and steady pressure.

Thursday, October 15, 2026

Mid-Morning
Herndon Weather - 2026-10-15 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-15 - Afternoon - Sunny
87°F 30°C
Sunny
Early-Evening
Herndon Weather - 2026-10-15 - Evening - Sunny
79°F 27°C
Sunny
Warm temperatures up to 87°F 30°C, sunny throughout the day, with lower humidity and steady pressure.

Friday, October 16, 2026

Mid-Morning
Herndon Weather - 2026-10-16 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-16 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Herndon Weather - 2026-10-16 - Evening - Partly Cloudy
81°F 27°C
Partly Cloudy
Very warm with a high of 88°F 31°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds blowing from the W at 9 mph 15 km/h.

Saturday, October 17, 2026

Mid-Morning
Herndon Weather - 2026-10-17 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-17 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Herndon Weather - 2026-10-17 - Evening - Sunny
63°F 18°C
Sunny
Pleasant near 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.

Sunday, October 18, 2026

Mid-Morning
Herndon Weather - 2026-10-18 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Herndon Weather - 2026-10-18 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Herndon Weather - 2026-10-18 - Evening - Sunny
62°F 17°C
Sunny
Comfortable at 67°F 19°C, partly cloudy through the afternoon, turning sunny this evening, with increasing humidity and steady pressure. Winds swinging from the NE to the ENE at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.

Monday, October 19, 2026

Mid-Morning
Herndon Weather - 2026-10-19 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-19 - Afternoon - Partly Cloudy
76°F 24°C
Partly Cloudy
Early-Evening
Herndon Weather - 2026-10-19 - Evening - Sunny
71°F 21°C
Sunny
Enjoyable around 76°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds shifting from the NE to the ENE at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.

Tuesday, October 20, 2026

Mid-Morning
Herndon Weather - 2026-10-20 - Morning - Scattered Showers
66°F 19°C
Scattered Showers
Mid-Afternoon
Herndon Weather - 2026-10-20 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Herndon Weather - 2026-10-20 - Evening - Light Rain
70°F 21°C
Light Rain
Mild temperatures up to 73°F 23°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds ENE at 12 mph 20 km/h. Gusts up to 21 mph 34 km/h.

Wednesday, October 21, 2026

Mid-Morning
Herndon Weather - 2026-10-21 - Morning - Drizzle
64°F 18°C
Drizzle
Mid-Afternoon
Herndon Weather - 2026-10-21 - Afternoon - Overcast
67°F 19°C
Overcast
Early-Evening
Herndon Weather - 2026-10-21 - Evening - Light Fog
66°F 19°C
Light Fog
Mildly cool near 67°F 19°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds switching from the NE to the ESE at 5 mph 9 km/h.

Thursday, October 22, 2026

Mid-Morning
Herndon Weather - 2026-10-22 - Morning - Cloudy
61°F 16°C
Cloudy
Mid-Afternoon
Herndon Weather - 2026-10-22 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Herndon Weather - 2026-10-22 - Evening - Cloudy
67°F 19°C
Cloudy
Comfortable at 65°F 18°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds blowing from the NE at 13 mph 21 km/h. Gusts up to 26 mph 41 km/h.

Friday, October 23, 2026

Mid-Morning
Herndon Weather - 2026-10-23 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Herndon Weather - 2026-10-23 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Herndon Weather - 2026-10-23 - Evening - Cloudy
73°F 23°C
Cloudy
Comfortable with temperatures reaching 77°F 25°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds ENE at 10 mph 16 km/h.

Saturday, October 24, 2026

Mid-Morning
Herndon Weather - 2026-10-24 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Herndon Weather - 2026-10-24 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Herndon Weather - 2026-10-24 - Evening - Overcast
73°F 23°C
Overcast
Quite warm around 80°F 27°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the NNE to the E at 7 mph 12 km/h.

Sunday, October 25, 2026

Mid-Morning
Herndon Weather - 2026-10-25 - Morning - Cloudy
61°F 16°C
Cloudy
Mid-Afternoon
Herndon Weather - 2026-10-25 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Herndon Weather - 2026-10-25 - Evening - Overcast
67°F 19°C
Overcast
Mild temperatures up to 73°F 23°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the ENE to the ESE at 6 mph 10 km/h.

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Weather by the Numbers

Mon, 12th
Herndon GA Weather - Monday, Oct 12, 2026 - Sunny
Hi: 86°F 30°C
Lo: 61°F 16°C
Sunrise 07:31 AM
Sunset 06:59 PM
Wind NNW 7 mph12 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 56%
Tue, 13th
Herndon GA Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 86°F 30°C
Lo: 64°F 18°C
Sunrise 07:32 AM
Sunset 06:58 PM
Wind SSE 3 mph5 km/h
Dew Point 59°F15°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 47%
Wed, 14th
Herndon GA Weather - Wednesday, Oct 14, 2026 - Sunny
Hi: 86°F 30°C
Lo: 65°F 18°C
Sunrise 07:33 AM
Sunset 06:57 PM
Wind SSW 4 mph6 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 48%
Thu, 15th
Herndon GA Weather - Thursday, Oct 15, 2026 - Sunny
Hi: 87°F 30°C
Lo: 66°F 19°C
Sunrise 07:33 AM
Sunset 06:55 PM
Wind SSW 4 mph6 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 49%
Fri, 16th
Herndon GA Weather - Friday, Oct 16, 2026 - Sunny
Hi: 88°F 31°C
Lo: 65°F 18°C
Sunrise 07:34 AM
Sunset 06:54 PM
Wind WSW 9 mph14 km/h
Dew Point 60°F15°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 46%
Sat, 17th
Herndon GA Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 73°F 23°C
Lo: 58°F 14°C
Sunrise 07:35 AM
Sunset 06:53 PM
Wind NE 16 mph25 km/h
Dew Point 35°F1°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 31%
Sun, 18th
Herndon GA Weather - Sunday, Oct 18, 2026 - Partly Cloudy
Hi: 67°F 20°C
Lo: 51°F 10°C
Sunrise 07:36 AM
Sunset 06:52 PM
Wind ENE 17 mph27 km/h
Dew Point 32°F-0°C
uv Index 5
Barometric Pressure 30.45 in1031 mb
POP 6% *
Humidity 32%
Mon, 19th
Herndon GA Weather - Monday, Oct 19, 2026 - Sunny
Hi: 76°F 25°C
Lo: 53°F 12°C
Sunrise 07:36 AM
Sunset 06:51 PM
Wind ENE 13 mph21 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 30.39 in1029 mb
POP 3% *
Humidity 54%
Tue, 20th
Herndon GA Weather - Tuesday, Oct 20, 2026 - Overcast
Hi: 74°F 23°C
Lo: 65°F 18°C
Sunrise 07:37 AM
Sunset 06:50 PM
Wind NE 12 mph19 km/h
Dew Point 60°F15°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 19% *
Humidity 72%
Wed, 21st
Herndon GA Weather - Wednesday, Oct 21, 2026 - Overcast
Hi: 70°F 21°C
Lo: 63°F 17°C
Sunrise 07:38 AM
Sunset 06:49 PM
Wind NE 7 mph11 km/h
Dew Point 62°F16°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 53% *
Humidity 89%
Thu, 22nd
Herndon GA Weather - Thursday, Oct 22, 2026 - Patchy Rain Nearby
Hi: 67°F 19°C
Lo: 61°F 16°C
Sunrise 07:39 AM
Sunset 06:47 PM
Wind NE 14 mph22 km/h
Dew Point 55°F13°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 21% *
Humidity 79%
Fri, 23rd
Herndon GA Weather - Friday, Oct 23, 2026 - Overcast
Hi: 78°F 25°C
Lo: 62°F 17°C
Sunrise 07:40 AM
Sunset 06:46 PM
Wind ENE 11 mph18 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 30.3 in1026 mb
POP 15% *
Humidity 62%
Sat, 24th
Herndon GA Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 81°F 27°C
Lo: 60°F 16°C
Sunrise 07:40 AM
Sunset 06:45 PM
Wind NE 8 mph13 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 4% *
Humidity 48%
Sun, 25th
Herndon GA Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 73°F 23°C
Lo: 59°F 15°C
Sunrise 07:41 AM
Sunset 06:44 PM
Wind E 10 mph16 km/h
Dew Point 49°F10°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 8% *
Humidity 49%
* POP = Probability of Precipitation. Data for 12:00 PM.