Weather in Simpson, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Simpson, IL
Sunday, May 17 at 4:57 AM
72
°
Mostly Clear
Feels like
78°
Humidity
89%
Wind
4 mph
Sunrise
5:44 AM
Sunset
7:58 PM
Simpson, IL
Hour by hour · 24h
55°
11p
55°
12a
54°
1a
53°
2a
53°
3a
52°
4a
53°
5a
53°
6a
57°
7a
61°
8a
65°
9a
69°
10a
72°
11a
74°
12p
76°
1p
79°
2p
80°
3p
82°
4p
80°
5p
79°
6p
76°
7p
74°
8p
73°
9p
72°
10p
Simpson, IL
7-day forecast
- TodayMay 16Thunderstorm22%82°71°
- SundayMay 17Mostly Clear—87°66°
- MondayMay 18Showers48%84°69°
- TuesdayMay 19Showers73%89°66°
- WednesdayMay 20Light Showers73%69°60°
- ThursdayMay 21Rain19%61°57°
- FridayMay 22Light Showers40%75°59°
Simpson, IL
Next 24 hours · Cool now
Simpson, IL
Anemometer · 24h winds · from true
From · True
SSE
155° · veering 8°
Direction
SSE
155°
Sustained
4
mph
Gust
13
mph
Peak 24h
30
avg 8
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
−24h−18h−12h−6hnow
Simpson, IL
Air quality
49
AQI
Good
- PM 2.5
- 5.7 μg/m³
- PM 10
- 6.2 μg/m³
- NO₂
- 3.4 μg/m³
- Ozone
- 95.0 μg/m³
- UV Index
- 0.0 Low
Simpson, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:17 AM
Sunrise
5:44 AM
Daylight
14h 14m
Sunset
7:58 PM
Civil dusk
1:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Simpson, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:53 AM
- Moonset
- 1:24 AM
- In sign
- ♊︎ Gemini
Simpson, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Simpson at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 1 (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.