Weather in Princeton, Illinois
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Princeton, IL
Sunday, May 17 at 1:31 AM
74
°
Overcast
Feels like
76°
Humidity
66%
Wind
6 mph
Sunrise
5:37 AM
Sunset
8:10 PM
Princeton, IL
Hour by hour · 24h
66°
8p
63°
9p
61°
10p
60°
11p
60°
12a
59°
15%
1a
58°
2a
58°
10%
3a
60°
14%
4a
60°
15%
5a
55°
26%
6a
55°
13%
7a
57°
8a
59°
9a
63°
10a
66°
11a
70°
12p
74°
1p
76°
2p
77°
3p
79°
4p
79°
5p
78°
6p
76°
7p
Princeton, IL
7-day forecast
- TodayMay 16Drizzle61%82°61°
- SundayMay 17Light Drizzle29%87°65°
- MondayMay 18Thunderstorm68%83°69°
- TuesdayMay 19Showers59%74°54°
- WednesdayMay 20Overcast—63°45°
- ThursdayMay 21Overcast—65°44°
- FridayMay 22Overcast—59°51°
Princeton, IL
Next 24 hours · Mild now
Princeton, IL
Anemometer · 24h winds · from true
From · True
S
182° · backing 11°
Direction
S
182°
Sustained
6
mph
Gust
12
mph
Peak 24h
23
avg 9
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
Princeton, IL
Air quality
47
AQI
Good
- PM 2.5
- 6.0 μg/m³
- PM 10
- 7.3 μg/m³
- NO₂
- 6.0 μg/m³
- Ozone
- 78.0 μg/m³
- UV Index
- 0.0 Low
Princeton, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:07 AM
Sunrise
5:37 AM
Daylight
14h 33m
Sunset
8:10 PM
Civil dusk
1:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Princeton, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:42 AM
- Moonset
- 1:42 AM
- In sign
- ♉︎ Taurus
Princeton, IL
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Princeton at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 24 (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.