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Weather in Pecatonica, Illinois

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

Pecatonica, IL
Sunday, May 17 at 3:46 AM
70
°
Overcast
Feels like
73°
Humidity
79%
Wind
3 mph
Sunrise
5:34 AM
Sunset
8:12 PM
Pecatonica, IL
Hour by hour · 24h
62°
10p
61°
11p
59°
12a
57°
19%
1a
55°
13%
2a
55°
3a
53°
10%
4a
54°
5a
56°
6a
57°
7a
59°
8a
62°
9a
64°
10a
68°
11a
72°
12p
74°
1p
77°
2p
80°
3p
80°
4p
80°
5p
80°
6p
79°
7p
75°
8p
73°
9p
L 53°H 80°
Pecatonica, IL
7-day forecast
  1. Today
    May 16
    Light Drizzle
    64%
    83°60°
  2. Sunday
    May 17
    Light Rain
    35%
    86°65°
  3. Monday
    May 18
    Light Showers
    83%
    80°65°
  4. Tuesday
    May 19
    Showers
    72%
    72°51°
  5. Wednesday
    May 20
    Overcast
    60°45°
  6. Thursday
    May 21
    Overcast
    64°39°
  7. Friday
    May 22
    Overcast
    11%
    66°46°
Pecatonica, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
164° · veering 13°
Direction
SSE
164°
Sustained
3
mph
Gust
7
mph
Peak 24h
23
avg 8
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 8 · pk 23 @ 6:00a
−24h−18h−12h−6hnow
Light breeze veering 13° from the sse.
Pecatonica, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
983.5
0.0 mb in 3h · steady · 29.04 inHg
Now
983.5
mb
3h
0.0
mb
12h
-0.5
mb
24h
+3.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980985
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Pecatonica, IL
Air quality
69
AQI
Moderate
PM 2.5
4.0 μg/m³
PM 10
5.1 μg/m³
NO₂
8.1 μg/m³
Ozone
88.0 μg/m³
UV Index
0.0 Low
Pecatonica, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:04 AM
Sunrise
5:34 AM
Daylight
14h 38m
Sunset
8:12 PM
Civil dusk
1:46 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Pecatonica, IL
The moon
New Moon
0% illuminated
Moonrise
10:38 AM
Moonset
1:45 AM
In sign
♊︎ Gemini
Pecatonica, IL
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 →

Pecatonica at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: April 30 (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

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Pecatonica

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.