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As of 00:48 CDT

Weather in Ottawa, IL

51°Current weather

Ottawa, Tuesday, 20 October, 00:48

Mostly clear. Feels like 49°. High 69°, low 43°.

Pressure30.36 inHg
Wind3.4 mph NE
Humidity76%
Visibility6.2 mi
Dew point43°

10-day forecast for Ottawa, IL: 28° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

71°
Best day: Wednesday, October 21
50° · 0.39 in
Worst day: Tuesday, October 27

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2171° / 43°0Clear
MorningClear47°feels 47°
AfternoonClear68°feels 67°
EveningClear57°feels 56°
OvernightClear46°feels 46°
71 °Clear

Ottawa, Wednesday, 21 October

Clear. High 71°, low 43°.

Pressure30.27 inHg
Wind2.2 mph SW
Humidity48%
Visibility6.2 mi
Dew point45°
Thu, 2270° / 48°0Clear
MorningClear49°feels 49°
AfternoonClear70°feels 69°
EveningClear57°feels 56°
OvernightClear50°feels 50°
70 °Clear

Ottawa, Thursday, 22 October

Clear. High 70°, low 48°.

Pressure30.30 inHg
Wind3.6 mph E
Humidity59%
Visibility6.2 mi
Dew point53°
Fri, 2365° / 46°0Clear
MorningClear48°feels 47°
AfternoonClear64°feels 63°
EveningPartly cloudy55°feels 53°
OvernightClear49°feels 47°
65 °Clear

Ottawa, Friday, 23 October

Clear. High 65°, low 46°.

Pressure30.36 inHg
Wind5.4 mph SE
Humidity68%
Visibility6.2 mi
Dew point49°
Sat, 2465° / 44°0Overcast
MorningOvercast49°feels 47°
AfternoonOvercast61°feels 60°
EveningOvercast55°feels 53°
OvernightOvercast50°feels 48°
65 °Overcast

Ottawa, Saturday, 24 October

Overcast. High 65°, low 44°.

Pressure30.39 inHg
Wind7.2 mph SE
Humidity53%
Visibility—
Dew point43°
Sun, 2567° / 47°0.02Light rain
MorningLight rain52°feels 51°
AfternoonLight rain65°feels 64°
EveningLight rain60°feels 60°
OvernightLight rain56°feels 55°
67 °Light rain

Ottawa, Sunday, 25 October

Light rain. High 67°, low 47°.

Pressure30.39 inHg
Wind6.5 mph SW
Humidity57%
Visibility—
Dew point48°
Mon, 2657° / 52°0.01Light rain
MorningLight rain55°feels 53°
AfternoonLight rain56°feels 54°
EveningLight rain53°feels 52°
OvernightLight rain52°feels 51°
57 °Light rain

Ottawa, Monday, 26 October

Light rain. High 57°, low 52°.

Pressure30.30 inHg
Wind8.7 mph NE
Humidity47%
Visibility—
Dew point37°
Tue, 2750° / 34°0.39Rain
MorningRain42°feels 35°
AfternoonRain44°feels 37°
EveningRain38°feels 29°
OvernightRain36°feels 27°
50 °Rain

Ottawa, Tuesday, 27 October

Rain. High 50°, low 34°.

Pressure30.30 inHg
Wind16.5 mph NW
Humidity61%
Visibility—
Dew point32°
Wed, 2840° / 28°0Clear
MorningClear31°feels 23°
AfternoonClear38°feels 31°
EveningClear34°feels 28°
OvernightClear31°feels 24°
40 °Clear

Ottawa, Wednesday, 28 October

Clear. High 40°, low 28°.

Pressure30.47 inHg
Wind11.4 mph NW
Humidity38%
Visibility—
Dew point14°
Thu, 2948° / 29°0Mostly clear
MorningMostly clear34°feels 27°
AfternoonMostly clear46°feels 41°
EveningMostly clear40°feels 35°
OvernightMostly clear36°feels 31°
48 °Mostly clear

Ottawa, Thursday, 29 October

Mostly clear. High 48°, low 29°.

Pressure30.24 inHg
Wind10.9 mph W
Humidity35%
Visibility—
Dew point18°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Ottawa, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.