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

Weather in Winchester, Illinois

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

Winchester, IL
Sunday, May 17 at 2:54 AM
67
°
Partly Cloudy
Feels like
67°
Humidity
87%
Wind
11 mph
Sunrise
5:46 AM
Sunset
8:10 PM
Winchester, IL
Hour by hour · 24h
64°
9p
64°
10p
63°
11p
62°
12a
62°
1a
61°
2a
61°
18%
3a
59°
35%
4a
58°
49%
5a
54°
76%
6a
54°
39%
7a
56°
12%
8a
59°
9a
63°
10a
67°
11a
72°
12p
74°
1p
77°
2p
80°
3p
82°
4p
81°
5p
81°
6p
79°
7p
76°
8p
L 54°H 82°
Winchester, IL
7-day forecast
  1. Today
    May 16
    Heavy Rain
    54%
    76°65°
  2. Sunday
    May 17
    Overcast
    17%
    87°65°
  3. Monday
    May 18
    Rain
    62%
    77°68°
  4. Tuesday
    May 19
    Showers
    79%
    73°59°
  5. Wednesday
    May 20
    Overcast
    45%
    65°47°
  6. Thursday
    May 21
    Overcast
    65°48°
  7. Friday
    May 22
    Overcast
    16%
    66°53°
Winchester, IL
Anemometer · 24h winds · from true
NESW
From · True
ESE
120° · veering 12°
Direction
ESE
120°
Sustained
11
mph
Gust
20
mph
Peak 24h
21
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 21 @ 10:00a
−24h−18h−12h−6hnow
Light breeze veering 12° from the ese.
Winchester, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
990.4
+0.3 mb in 3h · rising · 29.25 inHg
Now
990.4
mb
3h
+0.3
mb
12h
-3.5
mb
24h
+1.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 989994
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Winchester, IL
Air quality
47
AQI
Good
PM 2.5
6.2 μg/m³
PM 10
6.8 μg/m³
NO₂
5.9 μg/m³
Ozone
80.0 μg/m³
UV Index
0.0 Low
Winchester, 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 24m
Sunset
8:10 PM
Civil dusk
1:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Winchester, IL
The moon
New Moon
0% illuminated
Moonrise
10:52 AM
Moonset
1:39 AM
In sign
♊︎ Gemini
Winchester, 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 →

Winchester at a glance

  • Today vs. normal: 5°F below the seasonal normal for this latitude
  • Last frost: April 14 (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 Winchester

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.