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

Pontoosuc, Illinois Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Pontoosuc weather forecast — hour by hour, 7-day outlook, NOAA radar

Pontoosuc, IL
Saturday, July 4 at 7:08 PM
84
°
Clear
Feels like
89°
Humidity
65%
Wind
9 mph
Sunrise
12:39 AM
Sunset
3:39 PM
Pontoosuc, IL
Hour by hour · 24h
24-Hour ForecastPontoosuc, IL: 24-hour forecast. Temperatures range from 71 to 87 degrees Fahrenheit.
L 71°H 87°
Pontoosuc, IL
7-day forecast
  1. Today
    Jul 4
    Overcast
    24%
    86°70°
  2. Sunday
    Jul 5
    Overcast
    87°71°+1°
  3. Monday
    Jul 6
    Overcast
    82°68°-5°
  4. Tuesday
    Jul 7
    Mostly Clear
    84°64°+2°
  5. Wednesday
    Jul 8
    Overcast
    87°65°+3°
  6. Thursday
    Jul 9
    Thunderstorm
    40%
    0.37″
    84°70°-3°
  7. Friday
    Jul 10
    Light Drizzle
    35%
    82°68°-2°
Pontoosuc, IL
Anemometer · 24h winds · from true
NESW
From · True
N
010° · veering 163°
Direction
N
010°
Sustained
9
mph
Gust
13
mph
Peak 24h
18
avg 7
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 7 · pk 18 @ 3:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1410SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 163° from the n.
Pontoosuc, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
993.0
-1.1 mb in 3h · falling · 29.32 inHg
Now
993.0
mb
3h
-1.1
mb
12h
-1.4
mb
24h
-1.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 993997
9859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW996.5993.0993.0
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Pontoosuc, IL
Air quality
41
AQI
Good
+10 in 6h

AQI 41 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
3.9μg/m³
PM 10Good
5μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
88μg/m³
UV IndexLow
0.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 42
UV peak
0.2 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5
Pontoosuc, IL
Sky cover · visibility · 24h
Cloud cover
3%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
52.8mi
UNLIMITED
59 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
00:08 UTC · Pontoosuc, IL · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
00:08 UTC · Pontoosuc, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Pontoosuc, IL
Satellite · infrared · animated
Pontoosuc, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Pontoosuc, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:07 AM
Sunrise
12:39 AM
Daylight
15h 00m
Sunset
3:39 PM
Civil dusk
9:13 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Pontoosuc, IL
The moon
Waning Gibbous
77% illuminated
Moonrise
11:23 PM
Moonset
11:17 AM
In sign
♓︎ Pisces
Pontoosuc, IL
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Pontoosuc at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: April 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Pontoosuc

  1. Sat86°70°24%
  2. Sun87°71°9%
  3. Mon82°68°2%
  4. Tue84°64°1%
  5. Wed87°65°8%
  6. Thu84°70°40%
  7. Fri82°68°35%
  8. Sat75°65°12%
  9. Sun78°59°16%
  10. Mon80°59°7%
  11. Tue84°63°4%
  12. Wed86°71°16%
  13. Thu90°71°14%
  14. Fri90°73°19%
  15. Sat92°75°23%
  16. Sun87°70°19%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Pontoosuc

SPC has placed Pontoosuc in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Pontoosuc

  • 62330
  • 62358

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.