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

Weather in Hartland, Illinois

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

Hartland, IL
Sunday, May 17 at 2:59 AM
71
°
Partly Cloudy
Feels like
72°
Humidity
67%
Wind
5 mph
Sunrise
5:31 AM
Sunset
8:09 PM
Hartland, IL
Hour by hour · 24h
58°
9p
54°
10p
54°
11p
54°
12a
52°
1a
52°
19%
2a
52°
18%
3a
52°
4a
51°
5a
52°
6a
55°
7a
57°
8a
59°
9a
61°
10a
65°
11a
68°
12p
70°
1p
73°
2p
74°
3p
77°
4p
76°
5p
75°
6p
73°
7p
70°
8p
L 51°H 77°
Hartland, IL
7-day forecast
  1. Today
    May 16
    Heavy Rain
    54%
    81°59°
  2. Sunday
    May 17
    Heavy Rain
    33%
    84°59°
  3. Monday
    May 18
    Rain
    58%
    77°65°
  4. Tuesday
    May 19
    Showers
    56%
    71°52°
  5. Wednesday
    May 20
    Overcast
    59°41°
  6. Thursday
    May 21
    Overcast
    60°39°
  7. Friday
    May 22
    Overcast
    65°46°
Hartland, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
153° · backing 69°
Direction
SSE
153°
Sustained
5
mph
Gust
5
mph
Peak 24h
19
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
avg 7 · pk 19 @ 7:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Hartland, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.8
-0.6 mb in 3h · steady · 28.87 inHg
Now
977.8
mb
3h
-0.6
mb
12h
-1.6
mb
24h
+2.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 975979
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Hartland, IL
Air quality
63
AQI
Moderate
PM 2.5
10.2 μg/m³
PM 10
11.1 μg/m³
NO₂
17.3 μg/m³
Ozone
76.0 μg/m³
UV Index
0.0 Low
Hartland, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:00 AM
Sunrise
5:31 AM
Daylight
14h 38m
Sunset
8:09 PM
Civil dusk
1:42 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hartland, IL
The moon
New Moon
0% illuminated
Moonrise
10:34 AM
Moonset
1:42 AM
In sign
♊︎ Gemini
Hartland, 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 →

Hartland at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 30 (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).

ZIP codes in Hartland

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.