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

Weather in West Cornwall, Connecticut

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

West Cornwall, CT
Sunday, May 17 at 3:49 AM
67
°
Overcast
Feels like
65°
Humidity
57%
Wind
3 mph
Sunrise
5:32 AM
Sunset
8:07 PM
West Cornwall, CT
Hour by hour · 24h
48°
11p
49°
12a
49°
1a
48°
2a
48°
3a
48°
4a
46°
5a
46°
6a
47°
7a
50°
8a
51°
9a
53°
10a
52°
11a
55°
12p
55°
1p
59°
2p
59°
3p
60°
4p
60°
5p
59°
6p
57°
7p
55°
8p
53°
9p
52°
10p
L 46°H 60°
West Cornwall, CT
7-day forecast
  1. Today
    May 16
    Foggy
    76°45°
  2. Sunday
    May 17
    Overcast
    14%
    84°58°
  3. Monday
    May 18
    Light Drizzle
    81°60°
  4. Tuesday
    May 19
    Light Drizzle
    14%
    89°58°
  5. Wednesday
    May 20
    Showers
    82%
    85°51°
  6. Thursday
    May 21
    Overcast
    13%
    64°43°
  7. Friday
    May 22
    Overcast
    12%
    62°43°
West Cornwall, CT
Anemometer · 24h winds · from true
NESW
From · True
WSW
249° · backing 172°
Direction
WSW
249°
Sustained
3
mph
Gust
12
mph
Peak 24h
22
avg 6
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 6 · pk 22 @ 6:00p
−24h−18h−12h−6hnow
Light breeze backing 172° from the wsw.
West Cornwall, CT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
981.0
0.0 mb in 3h · rising · 28.97 inHg
Now
981.0
mb
3h
0.0
mb
12h
-2.2
mb
24h
-4.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 981988
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
West Cornwall, CT
Air quality
72
AQI
Moderate
PM 2.5
10.0 μg/m³
PM 10
11.6 μg/m³
NO₂
10.3 μg/m³
Ozone
95.0 μg/m³
UV Index
0.0 Low
West Cornwall, CT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:01 AM
Sunrise
5:32 AM
Daylight
14h 35m
Sunset
8:07 PM
Civil dusk
12:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
West Cornwall, CT
The moon
New Moon
0% illuminated
Moonrise
9:33 AM
Moonset
12:36 AM
In sign
♊︎ Gemini
West Cornwall, CT
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 →

West Cornwall at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 27 (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 West Cornwall

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.