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

Weather in St. Leonard, Maryland

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

St. Leonard, MD
Sunday, May 17 at 4:04 AM
71
°
Clear
Feels like
68°
Humidity
50%
Wind
9 mph
Sunrise
5:52 AM
Sunset
8:12 PM
St. Leonard, MD
Hour by hour · 24h
53°
12a
52°
1a
52°
2a
50°
3a
50°
4a
51°
5a
51°
6a
52°
7a
54°
8a
56°
9a
59°
10a
62°
11a
63°
12p
67°
1p
68°
2p
70°
3p
71°
4p
71°
5p
69°
6p
69°
7p
65°
8p
61°
9p
59°
10p
57°
11p
L 50°H 71°
St. Leonard, MD
7-day forecast
  1. Today
    May 17
    Overcast
    22%
    88°64°
  2. Monday
    May 18
    Partly Cloudy
    10%
    97°67°
  3. Tuesday
    May 19
    Clear
    93°68°
  4. Wednesday
    May 20
    Drizzle
    59%
    91°69°
  5. Thursday
    May 21
    Light Drizzle
    59%
    68°59°
  6. Friday
    May 22
    Light Drizzle
    57%
    59°52°
  7. Saturday
    May 23
    Overcast
    41%
    77°54°
St. Leonard, MD
Anemometer · 24h winds · from true
NESW
From · True
SW
219° · veering 39°
Direction
SW
219°
Sustained
9
mph
Gust
16
mph
Peak 24h
22
avg 8
Beaufort · 3 · GENTLE 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 8 · pk 22 @ 8:00a
−24h−18h−12h−6hnow
Light breeze veering 39° from the sw.
St. Leonard, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.4
-0.9 mb in 3h · rising · 29.90 inHg
Now
1012.4
mb
3h
-0.9
mb
12h
-1.6
mb
24h
-4.2
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10121018
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
St. Leonard, MD
Air quality
91
AQI
Moderate
PM 2.5
11.1 μg/m³
PM 10
11.6 μg/m³
NO₂
3.0 μg/m³
Ozone
107.0 μg/m³
UV Index
0.0 Low
St. Leonard, MD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:25 AM
Sunrise
5:52 AM
Daylight
14h 20m
Sunset
8:12 PM
Civil dusk
12:42 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
St. Leonard, MD
The moon
New Moon
0% illuminated
Moonrise
9:58 AM
Moonset
12:37 AM
In sign
♊︎ Gemini
St. Leonard, 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 →

St. Leonard at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 7 (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 St. Leonard

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.