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

Weather in Glen St. Mary, Florida

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Glen St. Mary, FL
Sunday, May 17 at 1:04 AM
78
°
Overcast
Feels like
82°
Humidity
70%
Wind
7 mph
Sunrise
6:33 AM
Sunset
8:16 PM
Glen St. Mary, FL
Hour by hour · 24h
77°
9p
72°
10p
68°
11p
65°
12a
63°
1a
61°
2a
60°
3a
58°
4a
57°
5a
57°
6a
56°
7a
60°
8a
66°
9a
71°
10a
77°
11a
78°
12p
82°
1p
84°
2p
84°
3p
84°
4p
83°
5p
81°
6p
79°
7p
75°
8p
L 56°H 84°
Glen St. Mary, FL
7-day forecast
  1. Today
    May 16
    Foggy
    91°63°
  2. Sunday
    May 17
    Overcast
    26%
    91°71°
  3. Monday
    May 18
    Overcast
    91°68°
  4. Tuesday
    May 19
    Overcast
    18%
    94°68°
  5. Wednesday
    May 20
    Overcast
    23%
    97°69°
  6. Thursday
    May 21
    Light Drizzle
    26%
    94°69°
  7. Friday
    May 22
    Overcast
    51%
    92°70°
Glen St. Mary, FL
Anemometer · 24h winds · from true
NESW
From · True
ESE
102° · veering 29°
Direction
ESE
102°
Sustained
7
mph
Gust
20
mph
Peak 24h
22
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 22 @ 1:00a
−24h−18h−12h−6hnow
Light breeze veering 29° from the ese.
Glen St. Mary, FL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.1
-0.6 mb in 3h · steady · 29.92 inHg
Now
1013.1
mb
3h
-0.6
mb
12h
-2.3
mb
24h
-1.3
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131016
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Glen St. Mary, FL
Air quality
61
AQI
Moderate
PM 2.5
13.7 μg/m³
PM 10
18.6 μg/m³
NO₂
4.4 μg/m³
Ozone
98.0 μg/m³
UV Index
0.0 Low
Glen St. Mary, FL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:09 AM
Sunrise
6:33 AM
Daylight
13h 43m
Sunset
8:16 PM
Civil dusk
12:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Glen St. Mary, FL
The moon
New Moon
0% illuminated
Moonrise
10:49 AM
Moonset
12:35 AM
In sign
♉︎ Taurus
Glen St. Mary, FL
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Glen St. Mary at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: February 17 (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

Peak growing season

As of May 17, 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.

ZIP codes in Glen St. Mary

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.