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McNair, Virginia Weather

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

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

McNair, VA
Sunday, July 5 at 3:41 AM
72
°
Partly Cloudy
Feels like
78°
Humidity
88%
Wind
5 mph
Sunrise
1:50 AM
Sunset
4:38 PM
McNair, VA
Hour by hour · 24h
24-Hour ForecastMcNair, VA: 24-hour forecast. Temperatures range from 71 to 95 degrees Fahrenheit with a 39% chance of precipitation at 9 PM.
L 71°H 95°
McNair, VA
7-day forecast
  1. Today
    Jul 5
    Overcast
    39%
    95°71°
  2. Monday
    Jul 6
    Rain
    85%
    0.30″
    91°68°-4°
  3. Tuesday
    Jul 7
    Drizzle
    85%
    0.01″
    81°69°-10°
  4. Wednesday
    Jul 8
    Heavy Drizzle
    44%
    0.04″
    74°69°-7°
  5. Thursday
    Jul 9
    Overcast
    33%
    90°69°+16°
  6. Friday
    Jul 10
    Drizzle
    53%
    86°71°-4°
  7. Saturday
    Jul 11
    Light Drizzle
    32%
    0.01″
    82°66°-4°
McNair, VA
Anemometer · 24h winds · from true
NESW
From · True
SSW
193° · backing 160°
Direction
SSW
193°
Sustained
5
mph
Gust
8
mph
Peak 24h
25
avg 6
Beaufort · 2 · LIGHT BRZ
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 25 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 175SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
McNair, VA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1000.4
-1.6 mb in 3h · falling · 29.54 inHg
Now
1000.4
mb
3h
-1.6
mb
12h
-1.1
mb
24h
-2.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10001004
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1004.1999.91000.8
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
McNair, VA
Air quality
48
AQI
Good
-2 in 6h

AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERGood
9.7μg/m³
PM 10Good
10μg/m³
NO₂Good
7μg/m³
OzoneGood
40μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.96
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
McNair, VA
Sky cover · visibility · 24h
Cloud cover
57%
PARTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
28.3mi
UNLIMITED
104 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
07:41 UTC · McNair, 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
07:41 UTC · McNair, VA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
McNair, VA
Satellite · infrared · animated
McNair, VA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
McNair, VA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:19 AM
Sunrise
1:50 AM
Daylight
14h 48m
Sunset
4:38 PM
Civil dusk
9:11 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
McNair, VA
The moon
Waning Gibbous
75% illuminated
Moonrise
11:26 PM
Moonset
11:19 AM
In sign
♓︎ Pisces
McNair, VA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

McNair at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: April 10 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

15-Day Forecast — McNair

  1. Sun95°71°39%
  2. Mon91°68°85%
  3. Tue81°69°85%
  4. Wed74°69°44%
  5. Thu90°69°33%
  6. Fri86°71°53%
  7. Sat82°66°32%
  8. Sun80°70°18%
  9. Mon85°67°18%
  10. Tue87°64°11%
  11. Wed86°67°13%
  12. Thu94°69°23%
  13. Fri89°69°19%
  14. Sat89°69°35%
  15. Sun90°69°39%

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

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 — McNair

SPC has placed McNair in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 McNair

  • 20171

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.