Weather in Harrison, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Harrison, IL
Sunday, May 17 at 1:42 AM
75
°
Overcast
Feels like
77°
Humidity
69%
Wind
8 mph
Sunrise
5:46 AM
Sunset
8:01 PM
Harrison, IL
Hour by hour · 24h
65°
8p
61°
9p
60°
10p
58°
11p
57°
12a
57°
1a
57°
2a
56°
3a
57°
4a
56°
5a
56°
6a
60°
7a
63°
8a
67°
9a
68°
10a
73°
11a
76°
12p
78°
1p
80°
2p
82°
3p
82°
4p
81°
5p
82°
6p
80°
7p
Harrison, IL
7-day forecast
- TodayMay 16Thunderstorm33%82°73°
- SundayMay 17Overcast—88°67°
- MondayMay 18Light Drizzle40%85°71°
- TuesdayMay 19Showers80%86°64°
- WednesdayMay 20Light Showers80%70°58°
- ThursdayMay 21Drizzle20%65°56°
- FridayMay 22Light Showers24%74°56°
Harrison, IL
Next 24 hours · Mild now
Harrison, IL
Anemometer · 24h winds · from true
From · True
SSE
158° · backing 34°
Direction
SSE
158°
Sustained
8
mph
Gust
15
mph
Peak 24h
32
avg 10
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
Harrison, IL
Air quality
51
AQI
Moderate
- PM 2.5
- 4.4 μg/m³
- PM 10
- 5.2 μg/m³
- NO₂
- 3.0 μg/m³
- Ozone
- 104.0 μg/m³
- UV Index
- 0.0 Low
Harrison, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:18 AM
Sunrise
5:46 AM
Daylight
14h 15m
Sunset
8:01 PM
Civil dusk
1:31 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Harrison, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:54 AM
- Moonset
- 1:28 AM
- In sign
- ♉︎ Taurus
Harrison, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Harrison at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 3 (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.