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Weather in Dewey, Illinois

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

Dewey, IL
Sunday, May 17 at 2:56 AM
65
°
Overcast
Feels like
67°
Humidity
86%
Wind
5 mph
Sunrise
5:35 AM
Sunset
8:03 PM
Dewey, IL
Hour by hour · 24h
59°
9p
57°
10p
55°
11p
54°
12a
54°
1a
53°
2a
54°
3a
54°
4a
55°
5a
55°
24%
6a
51°
88%
7a
51°
77%
8a
52°
35%
9a
55°
14%
10a
57°
11a
58°
12p
62°
1p
67°
2p
70°
3p
72°
4p
74°
5p
74°
6p
73°
7p
69°
8p
L 51°H 74°
Dewey, IL
7-day forecast
  1. Today
    May 16
    Overcast
    60%
    76°63°
  2. Sunday
    May 17
    Overcast
    14%
    85°62°
  3. Monday
    May 18
    Rain
    64%
    83°69°
  4. Tuesday
    May 19
    Showers
    81%
    80°60°
  5. Wednesday
    May 20
    Overcast
    71%
    67°49°
  6. Thursday
    May 21
    Overcast
    65°45°
  7. Friday
    May 22
    Drizzle
    15%
    57°53°
Dewey, IL
Anemometer · 24h winds · from true
NESW
From · True
S
185° · steady
Direction
S
185°
Sustained
5
mph
Gust
13
mph
Peak 24h
30
avg 10
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 10 · pk 30 @ 7:00a
−24h−18h−12h−6hnow
Light breeze holding from the s.
Dewey, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.4
+0.9 mb in 3h · rising · 29.13 inHg
Now
986.4
mb
3h
+0.9
mb
12h
-1.2
mb
24h
+3.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983988
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Dewey, IL
Air quality
46
AQI
Good
PM 2.5
6.9 μg/m³
PM 10
7.9 μg/m³
NO₂
5.6 μg/m³
Ozone
78.0 μg/m³
UV Index
0.0 Low
Dewey, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:06 AM
Sunrise
5:35 AM
Daylight
14h 28m
Sunset
8:03 PM
Civil dusk
1:35 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Dewey, IL
The moon
New Moon
0% illuminated
Moonrise
10:41 AM
Moonset
1:33 AM
In sign
♊︎ Gemini
Dewey, 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 →

Dewey at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: April 18 (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 Dewey

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.