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

Weather in San Sebastián, Puerto Rico

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

San Sebastián, PR
Sunday, May 17 at 1:50 AM
75
°
Clear
Feels like
83°
Humidity
90%
Wind
3 mph
Sunrise
5:54 AM
Sunset
6:54 PM
San Sebastián, PR
Hour by hour · 24h
74°
9p
73°
10p
73°
11p
72°
12a
71°
1a
71°
2a
71°
3a
70°
4a
70°
5a
70°
6a
74°
7a
80°
8a
85°
9a
88°
10a
89°
20%
11a
89°
41%
12p
88°
68%
1p
84°
88%
2p
82°
97%
3p
83°
100%
4p
82°
100%
5p
81°
98%
6p
78°
92%
7p
77°
82%
8p
L 70°H 89°
San Sebastián, PR
7-day forecast
  1. Today
    May 16
    Light Showers
    100%
    87°70°
  2. Sunday
    May 17
    Showers
    92%
    88°72°
  3. Monday
    May 18
    Showers
    100%
    88°70°
  4. Tuesday
    May 19
    Light Showers
    93%
    89°69°
  5. Wednesday
    May 20
    Light Showers
    100%
    86°71°
  6. Thursday
    May 21
    Drizzle
    97%
    87°70°
  7. Friday
    May 22
    Light Showers
    100%
    87°70°
San Sebastián, PR
Anemometer · 24h winds · from true
NESW
From · True
E
085° · backing 27°
Direction
E
085°
Sustained
3
mph
Gust
6
mph
Peak 24h
15
avg 3
Beaufort · 1 · LIGHT AIR
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 3 · pk 15 @ 1:00p
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
San Sebastián, PR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1009.0
0.0 mb in 3h · steady · 29.80 inHg
Now
1009.0
mb
3h
0.0
mb
12h
-0.5
mb
24h
+0.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10071010
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
San Sebastián, PR
Air quality
24
AQI
Good
PM 2.5
8.8 μg/m³
PM 10
14.8 μg/m³
NO₂
1.0 μg/m³
Ozone
38.0 μg/m³
UV Index
0.0 Low
San Sebastián, PR
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:32 AM
Sunrise
5:54 AM
Daylight
13h 00m
Sunset
6:54 PM
Civil dusk
11:19 PM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
San Sebastián, PR
The moon
New Moon
0% illuminated
Moonrise
10:16 AM
Moonset
In sign
♉︎ Taurus
San Sebastián, PR
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 →

San Sebastián at a glance

  • Today vs. normal: 18°F below the seasonal normal for this latitude
  • Last frost: December 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

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 San Sebastián

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.