Weather in Lake Forest, Illinois
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Lake Forest, IL
Sunday, May 17 at 5:52 AM
70
°
Overcast
Feels like
68°
Humidity
71%
Wind
12 mph
Sunrise
5:27 AM
Sunset
8:07 PM
Lake Forest, IL
Hour by hour · 24h
50°
12a
50°
1a
49°
2a
51°
16%
3a
52°
11%
4a
51°
5a
52°
6a
55°
7a
62°
8a
63°
9a
63°
10a
65°
11a
67°
12p
70°
1p
72°
2p
73°
3p
76°
4p
74°
5p
74°
6p
73°
7p
69°
8p
66°
9p
67°
10p
64°
11p
Lake Forest, IL
7-day forecast
- TodayMay 17Overcast37%87°56°
- MondayMay 18Showers59%81°63°
- TuesdayMay 19Showers49%74°53°
- WednesdayMay 20Overcast—56°46°
- ThursdayMay 21Overcast—61°46°
- FridayMay 22Light Drizzle11%54°46°
- SaturdayMay 23Light Drizzle11%62°45°
Lake Forest, IL
Next 24 hours · Cold now
Lake Forest, IL
Anemometer · 24h winds · from true
From · True
SSW
211° · backing 45°
Direction
SSW
211°
Sustained
12
mph
Gust
22
mph
Peak 24h
28
avg 8
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
−24h−18h−12h−6hnow
Lake Forest, IL
Air quality
49
AQI
Good
- PM 2.5
- 9.7 μg/m³
- PM 10
- 10.5 μg/m³
- NO₂
- 19.4 μg/m³
- Ozone
- 73.0 μg/m³
- UV Index
- 0.0 Low
Lake Forest, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:57 AM
Sunrise
5:27 AM
Daylight
14h 40m
Sunset
8:07 PM
Civil dusk
1:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Lake Forest, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:32 AM
- Moonset
- 1:38 AM
- In sign
- ♊︎ Gemini
Lake Forest, IL
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Lake Forest at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 29 (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).