Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Mason Neck, Virginia

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Mason Neck, VA
Sunday, May 17 at 5:08 AM
67
°
Clear
Feels like
69°
Humidity
75%
Wind
4 mph
Sunrise
5:54 AM
Sunset
8:15 PM
Mason Neck, VA
Hour by hour · 24h
52°
1a
51°
2a
50°
3a
51°
4a
51°
5a
51°
6a
53°
7a
55°
8a
58°
9a
59°
10a
62°
11a
64°
12p
66°
1p
68°
2p
70°
3p
71°
4p
72°
5p
72°
6p
71°
7p
67°
8p
64°
9p
60°
10p
59°
11p
57°
12a
L 50°H 72°
Mason Neck, VA
7-day forecast
  1. Today
    May 17
    Overcast
    21%
    91°63°
  2. Monday
    May 18
    Overcast
    97°64°
  3. Tuesday
    May 19
    Clear
    98°65°
  4. Wednesday
    May 20
    Light Rain
    64%
    96°66°
  5. Thursday
    May 21
    Light Drizzle
    55%
    68°55°
  6. Friday
    May 22
    Light Drizzle
    56%
    57°51°
  7. Saturday
    May 23
    Light Drizzle
    39%
    80°52°
Mason Neck, VA
Anemometer · 24h winds · from true
NESW
From · True
SSW
207° · backing 63°
Direction
SSW
207°
Sustained
4
mph
Gust
5
mph
Peak 24h
18
avg 4
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 4 · pk 18 @ 11:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Mason Neck, VA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.2
-0.7 mb in 3h · rising · 29.95 inHg
Now
1014.2
mb
3h
-0.7
mb
12h
-0.1
mb
24h
-3.8
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131019
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Mason Neck, VA
Air quality
51
AQI
Moderate
PM 2.5
14.0 μg/m³
PM 10
14.4 μg/m³
NO₂
17.4 μg/m³
Ozone
61.0 μg/m³
UV Index
0.0 Low
Mason Neck, VA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:27 AM
Sunrise
5:54 AM
Daylight
14h 21m
Sunset
8:15 PM
Civil dusk
12:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mason Neck, VA
The moon
New Moon
0% illuminated
Moonrise
10:01 AM
Moonset
12:40 AM
In sign
♊︎ Gemini
Mason Neck, VA
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Mason Neck at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: April 8 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Mason Neck

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.