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

Weather in Pontoosuc, Illinois

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Pontoosuc, IL
Sunday, May 17 at 3:57 AM
68
°
Light Drizzle
Feels like
68°
Humidity
84%
Wind
11 mph
Sunrise
5:46 AM
Sunset
8:15 PM
Pontoosuc, IL
Hour by hour · 24h
67°
10p
66°
11p
66°
12a
65°
1a
64°
13%
2a
59°
53%
3a
58°
48%
4a
58°
24%
5a
56°
14%
6a
56°
7a
58°
8a
61°
9a
65°
10a
70°
11a
73°
12p
75°
1p
78°
2p
80°
3p
82°
4p
82°
5p
82°
6p
81°
7p
77°
8p
76°
9p
L 56°H 82°
Pontoosuc, IL
7-day forecast
  1. Today
    May 16
    Light Showers
    59%
    83°64°
  2. Sunday
    May 17
    Light Rain
    71%
    89°66°
  3. Monday
    May 18
    Showers
    79%
    81°67°
  4. Tuesday
    May 19
    Light Showers
    72%
    72°52°
  5. Wednesday
    May 20
    Overcast
    63°44°
  6. Thursday
    May 21
    Overcast
    64°46°
  7. Friday
    May 22
    Overcast
    16%
    66°54°
Pontoosuc, IL
Anemometer · 24h winds · from true
NESW
From · True
NNE
018° · steady
Direction
NNE
018°
Sustained
11
mph
Gust
14
mph
Peak 24h
23
avg 9
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 9 · pk 23 @ 12:00p
−24h−18h−12h−6hnow
Light breeze holding from the nne.
Pontoosuc, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
990.8
-1.2 mb in 3h · falling rapidly · 29.26 inHg
Now
990.8
mb
3h
-1.2
mb
12h
-0.1
mb
24h
+0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 989993
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Pontoosuc, IL
Air quality
42
AQI
Good
PM 2.5
5.9 μg/m³
PM 10
6.8 μg/m³
NO₂
8.9 μg/m³
Ozone
53.0 μg/m³
UV Index
0.0 Low
Pontoosuc, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:17 AM
Sunrise
5:46 AM
Daylight
14h 29m
Sunset
8:15 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Pontoosuc, IL
The moon
New Moon
0% illuminated
Moonrise
10:52 AM
Moonset
1:47 AM
In sign
♊︎ Gemini
Pontoosuc, IL
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Pontoosuc at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 20 (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 Pontoosuc

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.