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

Weather in Collinsville, Connecticut

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

Collinsville, CT
Sunday, May 17 at 1:47 AM
64
°
Overcast
Feels like
62°
Humidity
62%
Wind
6 mph
Sunrise
5:30 AM
Sunset
8:05 PM
Collinsville, CT
Hour by hour · 24h
54°
37%
9p
52°
25%
10p
52°
14%
11p
51°
12a
51°
1a
51°
2a
51°
3a
50°
4a
49°
5a
48°
6a
50°
7a
53°
8a
54°
9a
57°
10a
58°
11a
59°
12p
60°
1p
61°
11%
2p
62°
3p
63°
4p
59°
5p
59°
12%
6p
58°
7p
57°
8p
L 48°H 63°
Collinsville, CT
7-day forecast
  1. Today
    May 16
    Overcast
    78°48°
  2. Sunday
    May 17
    Overcast
    11%
    86°59°
  3. Monday
    May 18
    Light Drizzle
    15%
    77°59°
  4. Tuesday
    May 19
    Overcast
    16%
    93°59°
  5. Wednesday
    May 20
    Showers
    74%
    90°55°
  6. Thursday
    May 21
    Overcast
    30%
    71°50°
  7. Friday
    May 22
    Overcast
    13%
    63°45°
Collinsville, CT
Anemometer · 24h winds · from true
NESW
From · True
SSW
203° · backing 72°
Direction
SSW
203°
Sustained
6
mph
Gust
12
mph
Peak 24h
24
avg 6
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 6 · pk 24 @ 8:00p
−24h−18h−12h−6hnow
Light breeze backing 72° from the ssw.
Collinsville, CT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1003.6
-0.1 mb in 3h · falling · 29.64 inHg
Now
1003.6
mb
3h
-0.1
mb
12h
-2.6
mb
24h
-3.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10031009
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Collinsville, CT
Air quality
75
AQI
Moderate
PM 2.5
9.5 μg/m³
PM 10
10.5 μg/m³
NO₂
7.5 μg/m³
Ozone
106.0 μg/m³
UV Index
0.0 Low
Collinsville, CT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:00 AM
Sunrise
5:30 AM
Daylight
14h 35m
Sunset
8:05 PM
Civil dusk
12:38 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Collinsville, CT
The moon
New Moon
0% illuminated
Moonrise
9:32 AM
Moonset
12:34 AM
In sign
♉︎ Taurus
Collinsville, 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 →

Collinsville at a glance

  • Today vs. normal: 6°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 Collinsville

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.