Weather in Cairo, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Cairo, IL
Sunday, May 17 at 4:56 AM
74
°
Clear
Feels like
77°
Humidity
82%
Wind
9 mph
Sunrise
5:47 AM
Sunset
7:58 PM
Cairo, IL
Hour by hour · 24h
58°
11p
59°
12a
58°
1a
57°
2a
56°
3a
56°
4a
57°
5a
57°
6a
60°
7a
64°
8a
68°
9a
72°
10a
76°
11a
79°
12p
82°
1p
84°
2p
84°
3p
86°
4p
85°
5p
85°
6p
83°
7p
80°
8p
79°
9p
78°
10p
Cairo, IL
7-day forecast
- TodayMay 16Light Drizzle20%85°75°
- SundayMay 17Mostly Clear—89°68°
- MondayMay 18Showers33%86°69°
- TuesdayMay 19Light Showers73%89°66°
- WednesdayMay 20Drizzle73%70°62°
- ThursdayMay 21Rain33%63°58°
- FridayMay 22Heavy Drizzle38%80°62°
Cairo, IL
Next 24 hours · Cool now
Cairo, IL
Anemometer · 24h winds · from true
From · True
SSE
159° · backing 24°
Direction
SSE
159°
Sustained
9
mph
Gust
16
mph
Peak 24h
22
avg 9
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
−24h−18h−12h−6hnow
Cairo, IL
Air quality
50
AQI
Good
- PM 2.5
- 5.1 μg/m³
- PM 10
- 5.5 μg/m³
- NO₂
- 3.9 μg/m³
- Ozone
- 92.0 μg/m³
- UV Index
- 0.0 Low
Cairo, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:20 AM
Sunrise
5:47 AM
Daylight
14h 11m
Sunset
7:58 PM
Civil dusk
1:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Cairo, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:56 AM
- Moonset
- 1:25 AM
- In sign
- ♊︎ Gemini
Cairo, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Cairo at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: March 29 (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.