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Reston, Virginia Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Reston weather forecast — hour by hour, 7-day outlook, NOAA radar

Reston, VA
Saturday, July 4 at 11:36 PM
76
°
Overcast
Feels like
83°
Humidity
85%
Wind
3 mph
Sunrise
1:49 AM
Sunset
4:38 PM
Reston, VA
Hour by hour · 24h
24-Hour ForecastReston, VA: 24-hour forecast. Temperatures range from 73 to 95 degrees Fahrenheit with a 42% chance of precipitation at 9 PM.
L 73°H 95°
Reston, VA
7-day forecast
  1. Today
    Jul 4
    Light Rain
    51%
    0.07″
    100°76°
  2. Sunday
    Jul 5
    Overcast
    42%
    95°73°-5°
  3. Monday
    Jul 6
    Light Showers
    85%
    2.1″
    90°75°-5°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    85%
    0.01″
    81°70°-9°
  5. Wednesday
    Jul 8
    Light Drizzle
    44%
    0.02″
    77°68°-4°
  6. Thursday
    Jul 9
    Overcast
    33%
    95°68°+18°
  7. Friday
    Jul 10
    Light Drizzle
    53%
    97°74°+2°
Reston, VA
Anemometer · 24h winds · from true
NESW
From · True
NE
048° · veering 151°
Direction
NE
048°
Sustained
3
mph
Gust
5
mph
Peak 24h
27
avg 6
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 27 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 143SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Reston, VA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1000.3
-0.7 mb in 3h · falling · 29.54 inHg
Now
1000.3
mb
3h
-0.7
mb
12h
-2.1
mb
24h
-2.1
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9981002
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1002.4998.11000.1
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Reston, VA
Air quality
53
AQI
Moderate
-60 in 6h

AQI 53 (Moderate), driven by PM2.5. AQI down 60 over the last 6 hours — air quality is improving sharply. PM2.5 at 15.4 µg/m³, PM10 at 15.8 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
15.4μg/m³
PM 10Good
16μg/m³
NO₂Good
20μg/m³
OzoneModerate
61μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 15.4 µg/m³, PM10 at 15.8 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.97
Wind
calm
Recent rain
1h in last 6h
Pattern
background
Reston, VA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
34.9mi
UNLIMITED
114 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
03:36 UTC · Reston, VA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
03:36 UTC · Reston, VA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Reston, VA
Satellite · infrared · animated
Reston, VA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Reston, VA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:18 AM
Sunrise
1:49 AM
Daylight
14h 49m
Sunset
4:38 PM
Civil dusk
9:11 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Reston, VA
The moon
Waning Gibbous
76% illuminated
Moonrise
11:26 PM
Moonset
11:19 AM
In sign
♓︎ Pisces
Reston, VA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Reston at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: April 10 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 20190, 20191, 20194

16-Day Forecast — Reston

  1. Sat100°75°51%
  2. Sun95°72°42%
  3. Mon90°75°85%
  4. Tue81°70°85%
  5. Wed77°68°44%
  6. Thu95°68°33%
  7. Fri97°74°53%
  8. Sat83°69°33%
  9. Sun80°66°18%
  10. Mon86°61°18%
  11. Tue92°65°11%
  12. Wed90°68°23%
  13. Thu90°66°29%
  14. Fri91°71°27%
  15. Sat91°71°30%
  16. Sun87°69°36%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Reston

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Reston

SPC has placed Reston in the Slight Risk category for severe thunderstorms tomorrow.

  • TODAYMRGLMarginal Risk
  • TOMORROWSLGTSlight Risk
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Reston

  • 20194
  • 20191
  • 20190
  • 20192
  • 20195
  • 22096

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.