Weather in Marietta, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Marietta, IL
Sunday, May 17 at 5:05 AM
68
°
Overcast
Feels like
70°
Humidity
80%
Wind
4 mph
Sunrise
5:42 AM
Sunset
8:13 PM
Marietta, IL
Hour by hour · 24h
63°
12a
62°
1a
61°
10%
2a
61°
19%
3a
56°
62%
4a
54°
67%
5a
55°
48%
6a
54°
19%
7a
55°
8a
59°
9a
62°
10a
65°
11a
69°
12p
72°
1p
75°
2p
77°
3p
78°
4p
78°
5p
78°
6p
78°
7p
75°
8p
72°
9p
73°
10p
72°
11p
Marietta, IL
7-day forecast
- TodayMay 17Overcast54%87°66°
- MondayMay 18Light Showers83%78°68°
- TuesdayMay 19Showers63%72°57°
- WednesdayMay 20Overcast—63°45°
- ThursdayMay 21Overcast—63°46°
- FridayMay 22Overcast12%62°54°
- SaturdayMay 23Light Drizzle10%73°59°
Marietta, IL
Next 24 hours · Cool now
Marietta, IL
Anemometer · 24h winds · from true
From · True
SE
139° · backing 76°
Direction
SE
139°
Sustained
4
mph
Gust
14
mph
Peak 24h
26
avg 8
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
Marietta, IL
Air quality
36
AQI
Good
- PM 2.5
- 5.8 μg/m³
- PM 10
- 6.7 μg/m³
- NO₂
- 7.1 μg/m³
- Ozone
- 66.0 μg/m³
- UV Index
- 0.0 Low
Marietta, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:14 AM
Sunrise
5:42 AM
Daylight
14h 31m
Sunset
8:13 PM
Civil dusk
1:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Marietta, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:49 AM
- Moonset
- 1:42 AM
- In sign
- ♊︎ Gemini
Marietta, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Marietta at a glance
- Today vs. normal: 3°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.