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

Weather in New Canaan, Connecticut

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

New Canaan, CT
Sunday, May 17 at 1:47 AM
64
°
Overcast
Feels like
61°
Humidity
57%
Wind
7 mph
Sunrise
5:34 AM
Sunset
8:06 PM
New Canaan, CT
Hour by hour · 24h
55°
18%
9p
53°
10%
10p
53°
11p
51°
12a
51°
1a
50°
2a
49°
3a
49°
4a
49°
5a
49°
6a
52°
7a
54°
8a
56°
9a
59°
10a
60°
11a
62°
12p
62°
1p
64°
2p
63°
3p
65°
4p
66°
5p
65°
6p
64°
7p
61°
8p
L 49°H 66°
New Canaan, CT
7-day forecast
  1. Today
    May 16
    Overcast
    76°47°
  2. Sunday
    May 17
    Overcast
    87°61°
  3. Monday
    May 18
    Overcast
    80°58°
  4. Tuesday
    May 19
    Light Drizzle
    20%
    93°59°
  5. Wednesday
    May 20
    Showers
    74%
    93°56°
  6. Thursday
    May 21
    Overcast
    37%
    69°49°
  7. Friday
    May 22
    Light Drizzle
    17%
    61°46°
New Canaan, CT
Anemometer · 24h winds · from true
NESW
From · True
SSW
206° · backing 164°
Direction
SSW
206°
Sustained
7
mph
Gust
13
mph
Peak 24h
25
avg 7
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 7 · pk 25 @ 8:00p
−24h−18h−12h−6hnow
Light breeze backing 164° from the ssw.
New Canaan, CT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1002.8
-0.2 mb in 3h · falling · 29.61 inHg
Now
1002.8
mb
3h
-0.2
mb
12h
-2.7
mb
24h
-2.9
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10021008
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
New Canaan, CT
Air quality
90
AQI
Moderate
PM 2.5
13.1 μg/m³
PM 10
15.4 μg/m³
NO₂
23.6 μg/m³
Ozone
93.0 μg/m³
UV Index
0.0 Low
New Canaan, CT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:04 AM
Sunrise
5:34 AM
Daylight
14h 32m
Sunset
8:06 PM
Civil dusk
12:38 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
New Canaan, CT
The moon
New Moon
0% illuminated
Moonrise
9:37 AM
Moonset
12:34 AM
In sign
♉︎ Taurus
New Canaan, 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 →

New Canaan at a glance

  • Today vs. normal: 7°F below the seasonal normal for this latitude
  • Last frost: April 23 (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 New Canaan

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.