Weather in Janesville, Wisconsin
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Janesville, WI
Sunday, May 17 at 2:42 AM
71
°
Partly Cloudy
Feels like
72°
Humidity
63%
Wind
3 mph
Sunrise
5:32 AM
Sunset
8:12 PM
Janesville, WI
Hour by hour · 24h
61°
9p
58°
10p
58°
11p
55°
12a
55°
1a
54°
23%
2a
55°
14%
3a
55°
12%
4a
55°
5a
55°
6a
57°
7a
60°
8a
63°
9a
65°
10a
68°
11a
71°
12p
74°
1p
76°
2p
78°
3p
80°
4p
80°
5p
80°
6p
78°
7p
74°
8p
Janesville, WI
7-day forecast
- TodayMay 16Rain82%83°59°
- SundayMay 17Rain50%82°57°
- MondayMay 18Thunderstorm65%78°63°
- TuesdayMay 19Showers63%71°51°
- WednesdayMay 20Overcast—59°42°
- ThursdayMay 21Overcast—62°38°
- FridayMay 22Overcast—66°45°
Janesville, WI
Next 24 hours · Cool now
Janesville, WI
Anemometer · 24h winds · from true
From · True
WNW
293° · veering 167°
Direction
WNW
293°
Sustained
3
mph
Gust
5
mph
Peak 24h
18
avg 6
Beaufort · 1 · LIGHT AIR
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, WI
Air quality
49
AQI
Good
- PM 2.5
- 8.2 μg/m³
- PM 10
- 9.5 μg/m³
- NO₂
- 17.3 μg/m³
- Ozone
- 68.0 μg/m³
- UV Index
- 0.0 Low
Janesville, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:01 AM
Sunrise
5:32 AM
Daylight
14h 40m
Sunset
8:12 PM
Civil dusk
1:46 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Janesville, WI
The moon
New Moon
0% illuminated
- Moonrise
- 10:35 AM
- Moonset
- 1:45 AM
- In sign
- ♊︎ Gemini
Janesville, WI
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Janesville at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: May 2 (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
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).