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

Weather in Stony Brook University, New York

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

Stony Brook University, NY
Sunday, May 17 at 4:10 AM
61
°
Partly Cloudy
Feels like
56°
Humidity
61%
Wind
12 mph
Sunrise
5:32 AM
Sunset
8:05 PM
Stony Brook University, NY
Hour by hour · 24h
52°
12a
51°
1a
51°
2a
50°
3a
50°
4a
49°
5a
49°
6a
52°
7a
53°
8a
56°
9a
57°
10a
61°
11a
62°
12p
63°
1p
63°
2p
64°
3p
65°
4p
65°
5p
64°
6p
64°
7p
60°
8p
59°
9p
56°
10p
55°
11p
L 49°H 65°
Stony Brook University, NY
7-day forecast
  1. Today
    May 17
    Overcast
    —
    87°61°
  2. Monday
    May 18
    Light Drizzle
    —
    83°60°
  3. Tuesday
    May 19
    Light Drizzle
    —
    86°61°
  4. Wednesday
    May 20
    Light Showers
    73%
    87°61°
  5. Thursday
    May 21
    Overcast
    40%
    68°55°
  6. Friday
    May 22
    Drizzle
    18%
    61°48°
  7. Saturday
    May 23
    Light Drizzle
    29%
    53°48°
Stony Brook University, NY
Next 24 hours · Cool now
46°57°68°12a6a12p6pnow 52°high 65°low 49°
Stony Brook University, NY
Anemometer · 24h winds · from true
NESW
From · True
SSW
195° · veering 7°
Direction
SSW
195°
Sustained
12
mph
Gust
23
mph
Peak 24h
35
avg 11
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 11 · pk 35 @ 9:00p
−24h−18h−12h−6hnow
Light breeze veering 7° from the ssw.
Stony Brook University, NY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1006.2
-0.8 mb in 3h · rising · 29.71 inHg
Now
1006.2
mb
3h
-0.8
mb
12h
-2.3
mb
24h
-5.0
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1006–1013
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Stony Brook University, NY
Air quality
58
AQI
Moderate
PM 2.5
15.1 μg/m³
PM 10
20.7 μg/m³
NO₂
7.0 μg/m³
Ozone
107.0 μg/m³
UV Index
0.0 Low
Stony Brook University, NY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:04 AM
Sunrise
5:32 AM
Daylight
14h 33m
Sunset
8:05 PM
Civil dusk
12:36 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Stony Brook University, NY
The moon
New Moon
0% illuminated
Moonrise
9:36 AM
Moonset
12:31 AM
In sign
♊︎ Gemini
Stony Brook University, NY
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 →

Stony Brook University at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: April 21 (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.

All cities in New York →

ZIP codes in Stony Brook University

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.