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

Weather in White Marsh, Maryland

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

White Marsh, MD
Sunday, May 17 at 1:38 AM
70
°
Overcast
Feels like
70°
Humidity
58%
Wind
6 mph
Sunrise
5:50 AM
Sunset
8:13 PM
White Marsh, MD
Hour by hour · 24h
55°
9p
54°
10p
52°
11p
51°
12a
52°
1a
52°
2a
50°
3a
50°
4a
50°
5a
50°
6a
51°
7a
54°
8a
56°
9a
59°
10a
62°
11a
65°
12p
67°
1p
66°
2p
68°
3p
70°
4p
71°
5p
70°
6p
69°
7p
66°
8p
L 50°H 71°
White Marsh, MD
7-day forecast
  1. Today
    May 16
    Overcast
    11%
    83°51°
  2. Sunday
    May 17
    Overcast
    15%
    87°62°
  3. Monday
    May 18
    Light Showers
    17%
    89°64°
  4. Tuesday
    May 19
    Light Drizzle
    17%
    92°66°
  5. Wednesday
    May 20
    Showers
    73%
    91°63°
  6. Thursday
    May 21
    Overcast
    40%
    69°53°
  7. Friday
    May 22
    Heavy Drizzle
    43%
    58°50°
White Marsh, MD
Anemometer · 24h winds · from true
NESW
From · True
SSW
212° · veering 50°
Direction
SSW
212°
Sustained
6
mph
Gust
11
mph
Peak 24h
16
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 16 @ 5:00p
−24h−18h−12h−6hnow
Light breeze veering 50° from the ssw.
White Marsh, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.8
-0.3 mb in 3h · steady · 29.88 inHg
Now
1011.8
mb
3h
-0.3
mb
12h
-2.7
mb
24h
-3.0
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101017
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
White Marsh, MD
Air quality
106
AQI
Unhealthy for sensitive
PM 2.5
9.9 μg/m³
PM 10
10.3 μg/m³
NO₂
7.8 μg/m³
Ozone
126.0 μg/m³
UV Index
0.0 Low
White Marsh, MD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:22 AM
Sunrise
5:50 AM
Daylight
14h 23m
Sunset
8:13 PM
Civil dusk
12:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
White Marsh, MD
The moon
New Moon
0% illuminated
Moonrise
9:55 AM
Moonset
12:40 AM
In sign
♉︎ Taurus
White Marsh, MD
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 →

White Marsh at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: April 12 (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 White Marsh

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.