Weather in Mackinaw, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Mackinaw, IL
Sunday, May 17 at 5:01 AM
66
°
Overcast
Feels like
66°
Humidity
87%
Wind
11 mph
Sunrise
5:38 AM
Sunset
8:09 PM
Mackinaw, IL
Hour by hour · 24h
57°
12a
57°
1a
57°
2a
57°
3a
56°
12%
4a
54°
63%
5a
52°
89%
6a
52°
47%
7a
53°
21%
8a
54°
9a
57°
10a
62°
11a
65°
12p
67°
1p
71°
2p
74°
3p
75°
4p
76°
5p
76°
6p
75°
7p
72°
8p
70°
9p
68°
10p
68°
11p
Mackinaw, IL
7-day forecast
- TodayMay 17Overcast25%85°64°
- MondayMay 18Heavy Rain66%78°67°
- TuesdayMay 19Light Showers73%76°57°
- WednesdayMay 20Overcast26%65°47°
- ThursdayMay 21Overcast—65°46°
- FridayMay 22Overcast11%60°53°
- SaturdayMay 23Drizzle13%76°58°
Mackinaw, IL
Next 24 hours · Cool now
Mackinaw, IL
Anemometer · 24h winds · from true
From · True
SE
142° · veering 139°
Direction
SE
142°
Sustained
11
mph
Gust
23
mph
Peak 24h
28
avg 9
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
Mackinaw, IL
Air quality
41
AQI
Good
- PM 2.5
- 5.8 μg/m³
- PM 10
- 6.3 μg/m³
- NO₂
- 8.2 μg/m³
- Ozone
- 61.0 μg/m³
- UV Index
- 0.0 Low
Mackinaw, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:10 AM
Sunrise
5:38 AM
Daylight
14h 31m
Sunset
8:09 PM
Civil dusk
1:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mackinaw, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:45 AM
- Moonset
- 1:38 AM
- In sign
- ♊︎ Gemini
Mackinaw, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Mackinaw at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 19 (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.