Weather in Seneca, Illinois
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Seneca, IL
Sunday, May 17 at 1:42 AM
72
°
Partly Cloudy
Feels like
73°
Humidity
73%
Wind
8 mph
Sunrise
5:34 AM
Sunset
8:07 PM
Seneca, IL
Hour by hour · 24h
65°
8p
61°
9p
60°
10p
59°
11p
58°
12a
56°
1a
57°
21%
2a
57°
10%
3a
55°
11%
4a
56°
10%
5a
57°
17%
6a
58°
32%
7a
58°
8a
59°
10%
9a
62°
10a
65°
11a
67°
12p
71°
1p
73°
2p
74°
3p
76°
4p
77°
5p
77°
6p
75°
7p
Seneca, IL
7-day forecast
- TodayMay 16Light Drizzle48%82°62°
- SundayMay 17Overcast19%88°63°
- MondayMay 18Thunderstorm71%86°71°
- TuesdayMay 19Showers66%79°57°
- WednesdayMay 20Overcast36%64°47°
- ThursdayMay 21Overcast—65°46°
- FridayMay 22Overcast—58°52°
Seneca, IL
Next 24 hours · Cool now
Seneca, IL
Anemometer · 24h winds · from true
From · True
SSW
195° · backing 129°
Direction
SSW
195°
Sustained
8
mph
Gust
15
mph
Peak 24h
20
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
Seneca, IL
Air quality
49
AQI
Good
- PM 2.5
- 5.6 μg/m³
- PM 10
- 7.0 μg/m³
- NO₂
- 5.6 μg/m³
- Ozone
- 86.0 μg/m³
- UV Index
- 0.0 Low
Seneca, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:04 AM
Sunrise
5:34 AM
Daylight
14h 33m
Sunset
8:07 PM
Civil dusk
1:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Seneca, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:39 AM
- Moonset
- 1:38 AM
- In sign
- ♉︎ Taurus
Seneca, IL
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Seneca at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 24 (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.