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

Weather in Sanibel, Florida

Flowers spill across the islands. Day 59 of spring. Read this microseason across nine climate regions →

Sanibel, FL
Sunday, May 17 at 2:44 AM
78
°
Overcast
Feels like
83°
Humidity
75%
Wind
8 mph
Sunrise
6:40 AM
Sunset
8:08 PM
Sanibel, FL
Hour by hour · 24h
77°
10p
77°
11p
75°
12a
75°
1a
75°
2a
74°
3a
74°
4a
73°
5a
73°
6a
73°
7a
78°
8a
80°
9a
81°
10a
84°
11a
85°
12p
85°
1p
86°
2p
85°
3p
85°
4p
84°
5p
83°
6p
82°
7p
79°
8p
78°
9p
L 73°H 86°
Sanibel, FL
7-day forecast
  1. Today
    May 16
    Overcast
    86°72°
  2. Sunday
    May 17
    Drizzle
    27%
    88°75°
  3. Monday
    May 18
    Light Showers
    68%
    91°74°
  4. Tuesday
    May 19
    Light Showers
    74%
    82°77°
  5. Wednesday
    May 20
    Light Showers
    53%
    82°77°
  6. Thursday
    May 21
    Light Drizzle
    24%
    81°77°
  7. Friday
    May 22
    Light Drizzle
    29%
    82°77°
Sanibel, FL
Anemometer · 24h winds · from true
NESW
From · True
NE
056° · veering 146°
Direction
NE
056°
Sustained
8
mph
Gust
15
mph
Peak 24h
15
avg 7
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 7 · pk 15
−24h−18h−12h−6hnow
Light breeze veering 146° from the ne.
Sanibel, FL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1018.1
-0.7 mb in 3h · falling · 30.06 inHg
Now
1018.1
mb
3h
-0.7
mb
12h
-1.3
mb
24h
+2.1
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10161020
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Sanibel, FL
Air quality
48
AQI
Good
PM 2.5
9.6 μg/m³
PM 10
13.9 μg/m³
NO₂
1.7 μg/m³
Ozone
89.0 μg/m³
UV Index
0.0 Low
Sanibel, FL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:17 AM
Sunrise
6:40 AM
Daylight
13h 28m
Sunset
8:08 PM
Civil dusk
12:35 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Sanibel, FL
The moon
New Moon
0% illuminated
Moonrise
10:58 AM
Moonset
12:25 AM
In sign
♊︎ Gemini
Sanibel, FL
Microseason · 28 of 72
May 16–20

Flowers spill across the islands

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Sanibel at a glance

  • Today vs. normal: 7°F below the seasonal normal for this latitude
  • Last frost: January 25 (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 Sanibel

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.