Weather in Round Lake Park, Illinois
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Round Lake Park, IL
Sunday, May 17 at 4:04 AM
70
°
Partly Cloudy
Feels like
71°
Humidity
75%
Wind
7 mph
Sunrise
5:29 AM
Sunset
8:07 PM
Round Lake Park, IL
Hour by hour · 24h
51°
11p
51°
12a
52°
1a
52°
2a
53°
18%
3a
53°
4a
54°
5a
54°
6a
57°
7a
60°
8a
60°
9a
61°
10a
66°
11a
67°
12p
70°
1p
71°
2p
72°
3p
74°
4p
74°
5p
75°
6p
73°
7p
70°
8p
67°
9p
66°
10p
Round Lake Park, IL
7-day forecast
- TodayMay 16Light Drizzle46%82°60°
- SundayMay 17Rain33%86°61°
- MondayMay 18Heavy Rain61%78°66°
- TuesdayMay 19Showers47%74°54°
- WednesdayMay 20Overcast—58°41°
- ThursdayMay 21Overcast—59°40°
- FridayMay 22Overcast12%62°46°
Round Lake Park, IL
Next 24 hours · Cool now
Round Lake Park, IL
Anemometer · 24h winds · from true
From · True
S
176° · backing 36°
Direction
S
176°
Sustained
7
mph
Gust
17
mph
Peak 24h
21
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
Round Lake Park, IL
Air quality
59
AQI
Moderate
- PM 2.5
- 9.7 μg/m³
- PM 10
- 10.4 μg/m³
- NO₂
- 22.7 μg/m³
- Ozone
- 78.0 μg/m³
- UV Index
- 0.0 Low
Round Lake Park, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:59 AM
Sunrise
5:29 AM
Daylight
14h 38m
Sunset
8:07 PM
Civil dusk
1:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Round Lake Park, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:32 AM
- Moonset
- 1:40 AM
- In sign
- ♊︎ Gemini
Round Lake Park, IL
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Round Lake Park at a glance
- Today vs. normal: 70°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).