Reston, VA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Reston now
Loading the National Weather Service forecast…
Reston weather by the hour
Reston weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Reston.
This week in Reston
Sunrise, sunset and moon in Reston
What is the weather usually like in Reston?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 24°F average low
- 43.6 inprecipitation per year · 1,107 mm
- 18.5 insnowfall per year · 47 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Reston: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station VIENNA, VA US (USC00448737), adjusted for the elevation of Reston.
Reston weather month by month
Sunrise and sunset in Reston through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:24 AM | 5:12 PM | 9 h 47 min |
| February | 6:58 AM | 5:48 PM | 10 h 49 min |
| March | 7:18 AM | 7:17 PM | 11 h 58 min |
| April | 6:30 AM | 7:47 PM | 13 h 16 min |
| May | 5:54 AM | 8:16 PM | 14 h 21 min |
| June | 5:41 AM | 8:38 PM | 14 h 56 min |
| July | 5:55 AM | 8:35 PM | 14 h 40 min |
| August | 6:21 AM | 8:05 PM | 13 h 44 min |
| September | 6:49 AM | 7:19 PM | 12 h 29 min |
| October | 7:17 AM | 6:32 PM | 11 h 14 min |
| November | 6:51 AM | 4:57 PM | 10 h 6 min |
| December | 7:19 AM | 4:49 PM | 9 h 30 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Reston?
Reston has a humid subtropical climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 24°F (-5°C).
It gets about 43.6 inches (1,107 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 19 inches fall in an average year.
The best time to visit Reston is June to September. At 328 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Reston
Weather in towns near Reston
Questions about the weather in Reston
What is the hottest month in Reston?
July, with an average high of 84°F (29°C).
What is the coldest month in Reston?
January, with an average low of 24°F (-5°C).
How much does it rain in Reston?
About 43.6 inches (1,107 mm) a year; the wettest month is May.
Does it snow in Reston?
Yes, about 19 inches of snow fall in an average year.
When is the best time to visit Reston?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Reston have?
Humid subtropical (Köppen Cfa).
What is the weather like in Reston in November?
Highs average 56°F and lows 35°F, with about 3.1 inches of precipitation.
What time is sunrise in Reston?
Around 6:51 AM in mid-November, and sunset around 4:57 PM. Today’s exact times are shown above.
Where does this Reston weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Reston.
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