Weather in Ottawa, Illinois
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Ottawa, IL
Sunday, May 17 at 1:31 AM
73
°
Overcast
Feels like
75°
Humidity
75%
Wind
7 mph
Sunrise
5:35 AM
Sunset
8:08 PM
Ottawa, IL
Hour by hour · 24h
64°
8p
62°
9p
59°
10p
59°
11p
59°
12a
58°
12%
1a
59°
19%
2a
57°
3a
56°
12%
4a
57°
5a
58°
25%
6a
58°
21%
7a
58°
10%
8a
60°
9a
64°
10a
66°
11a
69°
12p
72°
1p
74°
2p
76°
3p
77°
4p
78°
5p
77°
6p
76°
7p
Ottawa, IL
7-day forecast
- TodayMay 16Heavy Drizzle64%82°62°
- SundayMay 17Overcast23%88°64°
- MondayMay 18Thunderstorm72%86°72°
- TuesdayMay 19Showers63%77°56°
- WednesdayMay 20Overcast19%64°47°
- ThursdayMay 21Overcast—66°45°
- FridayMay 22Overcast—58°52°
Ottawa, IL
Next 24 hours · Cool now
Ottawa, IL
Anemometer · 24h winds · from true
From · True
S
186° · backing 61°
Direction
S
186°
Sustained
7
mph
Gust
12
mph
Peak 24h
18
avg 7
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
Ottawa, IL
Air quality
49
AQI
Good
- PM 2.5
- 6.1 μg/m³
- PM 10
- 7.5 μg/m³
- NO₂
- 6.9 μg/m³
- Ozone
- 82.0 μg/m³
- UV Index
- 0.0 Low
Ottawa, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:05 AM
Sunrise
5:35 AM
Daylight
14h 33m
Sunset
8:08 PM
Civil dusk
1:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Ottawa, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:39 AM
- Moonset
- 1:39 AM
- In sign
- ♉︎ Taurus
Ottawa, IL
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Ottawa at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- 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.