Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Manhattan, Illinois

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Manhattan, IL
Sunday, May 17 at 3:54 AM
67
°
Overcast
Feels like
67°
Humidity
78%
Wind
8 mph
Sunrise
5:31 AM
Sunset
8:04 PM
Manhattan, IL
Hour by hour · 24h
56°
10p
55°
11p
55°
12a
54°
1a
55°
2a
56°
19%
3a
54°
4a
55°
5a
56°
10%
6a
59°
16%
7a
58°
10%
8a
58°
9a
56°
10a
60°
11a
61°
12p
65°
1p
69°
2p
71°
3p
73°
4p
74°
5p
73°
6p
72°
7p
70°
8p
68°
9p
L 54°H 74°
Manhattan, IL
7-day forecast
  1. Today
    May 16
    Light Drizzle
    54%
    82°63°
  2. Sunday
    May 17
    Overcast
    15%
    87°62°
  3. Monday
    May 18
    Heavy Rain
    69%
    81°65°
  4. Tuesday
    May 19
    Light Showers
    69%
    77°57°
  5. Wednesday
    May 20
    Overcast
    28%
    64°45°
  6. Thursday
    May 21
    Overcast
    64°45°
  7. Friday
    May 22
    Overcast
    13%
    56°50°
Manhattan, IL
Anemometer · 24h winds · from true
NESW
From · True
S
186° · backing 23°
Direction
S
186°
Sustained
8
mph
Gust
18
mph
Peak 24h
22
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
avg 10 · pk 22 @ 8:00a
−24h−18h−12h−6hnow
Light breeze backing 23° from the s.
Manhattan, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.0
+0.4 mb in 3h · rising · 29.18 inHg
Now
988.0
mb
3h
+0.4
mb
12h
+0.5
mb
24h
+3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983989
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Manhattan, IL
Air quality
51
AQI
Moderate
PM 2.5
6.3 μg/m³
PM 10
7.5 μg/m³
NO₂
12.6 μg/m³
Ozone
81.0 μg/m³
UV Index
0.0 Low
Manhattan, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:01 AM
Sunrise
5:31 AM
Daylight
14h 33m
Sunset
8:04 PM
Civil dusk
1:37 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Manhattan, IL
The moon
New Moon
0% illuminated
Moonrise
10:36 AM
Moonset
1:36 AM
In sign
♊︎ Gemini
Manhattan, IL
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Manhattan at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 25 (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.

ZIP codes in Manhattan

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.