As of 15:25 CDT

Weather in Ottawa, IL

58°Current weather

Ottawa, Friday, 30 October, 15:25

Overcast. Feels like 57°. High 58°, low 45°.

Pressure30.33 inHg
Wind7.9 mph E
Humidity76%
Visibility6.2 mi
Dew point50°

10-day forecast for Ottawa, IL: 39° to 69°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

68°
Best day: Friday, November 6
64° · 0.64 in
Worst day: Wednesday, November 4

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

Sat, 3162° / 50°0.06Light rain
MorningOvercast55°feels 54°
AfternoonOvercast62°feels 61°
EveningLight rain56°feels 55°
OvernightOvercast52°feels 51°
62 °Light rain

Ottawa, Saturday, 31 October

Light rain. High 62°, low 50°.

Pressure30.33 inHg
Wind3.6 mph E
Humidity65%
Visibility6.2 mi
Dew point47°
Sun, 0166° / 54°0.06Rain
MorningRain54°feels 53°
AfternoonOvercast65°feels 64°
EveningClear57°feels 55°
OvernightOvercast55°feels 54°
66 °Rain

Ottawa, Sunday, 1 November

Rain. High 66°, low 54°.

Pressure30.33 inHg
Wind5.2 mph E
Humidity75%
Visibility6.2 mi
Dew point52°
Mon, 0263° / 55°0Overcast
MorningOvercast55°feels 54°
AfternoonOvercast60°feels 59°
EveningOvercast61°feels 61°
OvernightOvercast55°feels 54°
63 °Overcast

Ottawa, Monday, 2 November

Overcast. High 63°, low 55°.

Pressure30.12 inHg
Wind9 mph SE
Humidity76%
Visibility6.2 mi
Dew point51°
Tue, 0369° / 61°0.07Light rain
MorningOvercast63°feels 62°
AfternoonOvercast68°feels 68°
EveningLight rain65°feels 65°
OvernightOvercast62°feels 61°
69 °Light rain

Ottawa, Tuesday, 3 November

Light rain. High 69°, low 61°.

Pressure29.88 inHg
Wind15.7 mph S
Humidity71%
Visibility6.2 mi
Dew point57°
Wed, 0464° / 58°0.64Rain
MorningRain63°feels 63°
AfternoonRain64°feels 64°
EveningRain59°feels 59°
OvernightRain59°feels 58°
64 °Rain

Ottawa, Wednesday, 4 November

Rain. High 64°, low 58°.

Pressure29.68 inHg
Wind12.9 mph S
Humidity94%
Visibility—
Dew point62°
Thu, 0567° / 55°0Overcast
MorningOvercast58°feels 58°
AfternoonOvercast65°feels 64°
EveningOvercast58°feels 56°
OvernightOvercast56°feels 54°
67 °Overcast

Ottawa, Thursday, 5 November

Overcast. High 67°, low 55°.

Pressure29.94 inHg
Wind7.3 mph SW
Humidity45%
Visibility—
Dew point43°
Fri, 0668° / 49°0Overcast
MorningOvercast57°feels 56°
AfternoonOvercast65°feels 64°
EveningOvercast50°feels 48°
OvernightOvercast49°feels 46°
68 °Overcast

Ottawa, Friday, 6 November

Overcast. High 68°, low 49°.

Pressure29.94 inHg
Wind12.2 mph SW
Humidity50%
Visibility—
Dew point47°
Sat, 0752° / 42°0Mostly clear
MorningMostly clear47°feels 43°
AfternoonMostly clear50°feels 47°
EveningMostly clear45°feels 40°
OvernightMostly clear43°feels 37°
52 °Mostly clear

Ottawa, Saturday, 7 November

Mostly clear. High 52°, low 42°.

Pressure30.15 inHg
Wind11.3 mph N
Humidity53%
Visibility—
Dew point34°
Sun, 0848° / 39°0Overcast
MorningOvercast41°feels 36°
AfternoonOvercast48°feels 43°
EveningOvercast44°feels 39°
OvernightOvercast42°feels 37°
48 °Overcast

Ottawa, Sunday, 8 November

Overcast. High 48°, low 39°.

Pressure30.33 inHg
Wind11.8 mph E
Humidity48%
Visibility—
Dew point28°

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.