Weather in Janesville, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Janesville, IL
Sunday, May 17 at 4:02 AM
63
°
Mostly Clear
Feels like
64°
Humidity
95%
Wind
6 mph
Sunrise
5:38 AM
Sunset
8:00 PM
Janesville, IL
Hour by hour · 24h
54°
11p
52°
12a
53°
1a
52°
2a
53°
3a
53°
4a
52°
5a
53°
6a
52°
52%
7a
52°
56%
8a
52°
66%
9a
53°
33%
10a
58°
11a
61°
12p
64°
1p
67°
2p
70°
3p
73°
4p
73°
5p
73°
6p
71°
7p
69°
8p
67°
9p
66°
10p
Janesville, IL
7-day forecast
- TodayMay 16Heavy Drizzle79%72°63°
- SundayMay 17Overcast10%82°63°
- MondayMay 18Showers61%80°65°
- TuesdayMay 19Light Showers85%79°59°
- WednesdayMay 20Overcast79%66°52°
- ThursdayMay 21Overcast—65°49°
- FridayMay 22Light Drizzle22%60°53°
Janesville, IL
Next 24 hours · Cool now
Janesville, IL
Anemometer · 24h winds · from true
From · True
ESE
117° · backing 43°
Direction
ESE
117°
Sustained
6
mph
Gust
11
mph
Peak 24h
22
avg 7
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
Janesville, IL
Air quality
41
AQI
Good
- PM 2.5
- 4.1 μg/m³
- PM 10
- 4.6 μg/m³
- NO₂
- 7.2 μg/m³
- Ozone
- 68.0 μg/m³
- UV Index
- 0.0 Low
Janesville, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:09 AM
Sunrise
5:38 AM
Daylight
14h 22m
Sunset
8:00 PM
Civil dusk
1:32 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Janesville, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:45 AM
- Moonset
- 1:29 AM
- In sign
- ♊︎ Gemini
Janesville, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Janesville at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 12 (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.