Weather in Princeton, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Princeton, IA
Sunday, May 17 at 3:53 AM
72
°
Overcast
Feels like
75°
Humidity
74%
Wind
5 mph
Sunrise
5:40 AM
Sunset
8:15 PM
Princeton, IA
Hour by hour · 24h
64°
10p
66°
11p
63°
12%
12a
60°
1a
61°
2a
61°
10%
3a
61°
17%
4a
59°
5a
57°
6a
57°
7a
59°
8a
62°
9a
65°
10a
69°
11a
73°
12p
76°
1p
79°
2p
81°
3p
82°
4p
82°
5p
81°
6p
79°
7p
77°
8p
74°
9p
Princeton, IA
7-day forecast
- TodayMay 16Light Drizzle68%84°60°
- SundayMay 17Drizzle46%86°64°
- MondayMay 18Heavy Rain74%83°68°
- TuesdayMay 19Showers72%71°50°
- WednesdayMay 20Overcast—62°43°
- ThursdayMay 21Overcast—66°43°
- FridayMay 22Overcast11%64°51°
Princeton, IA
Next 24 hours · Cool now
Princeton, IA
Anemometer · 24h winds · from true
From · True
SE
144° · veering 18°
Direction
SE
144°
Sustained
5
mph
Gust
12
mph
Peak 24h
39
avg 8
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, IA
Air quality
48
AQI
Good
- PM 2.5
- 6.1 μg/m³
- PM 10
- 7.1 μg/m³
- NO₂
- 12.0 μg/m³
- Ozone
- 58.0 μg/m³
- UV Index
- 0.0 Low
Princeton, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:10 AM
Sunrise
5:40 AM
Daylight
14h 35m
Sunset
8:15 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Princeton, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:44 AM
- Moonset
- 1:47 AM
- In sign
- ♊︎ Gemini
Princeton, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Princeton at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 26 (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.