As of 06:38 CDT

Weather in Sullivan, IL

39°Current weather

Sullivan, Saturday, 17 October, 06:38

Clear. Feels like 34°. High 56°, low 39°.

Pressure30.50 inHg
Wind6.9 mph N
Humidity90%
Visibility6.2 mi
Dew point36°

10-day forecast for Sullivan, IL: 39° to 78°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°
Best day: Sunday, October 25
56°
Worst day: Saturday, October 17

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

Sun, 1862° / 41°0Clear
MorningClear43°feels 39°
AfternoonClear62°feels 59°
EveningClear52°feels 50°
OvernightClear43°feels 41°
62 °Clear

Sullivan, Sunday, 18 October

Clear. High 62°, low 41°.

Pressure30.50 inHg
Wind8.5 mph S
Humidity38%
Visibility6.2 mi
Dew point34°
Mon, 1967° / 44°0Clear
MorningClear46°feels 45°
AfternoonClear66°feels 64°
EveningMostly clear55°feels 53°
OvernightClear46°feels 44°
67 °Clear

Sullivan, Monday, 19 October

Clear. High 67°, low 44°.

Pressure30.39 inHg
Wind2.5 mph SE
Humidity43%
Visibility6.2 mi
Dew point41°
Tue, 2069° / 43°0Overcast
MorningPartly cloudy46°feels 44°
AfternoonOvercast68°feels 66°
EveningMostly clear57°feels 56°
OvernightClear48°feels 48°
69 °Overcast

Sullivan, Tuesday, 20 October

Overcast. High 69°, low 43°.

Pressure30.39 inHg
Wind2.1 mph E
Humidity42%
Visibility6.2 mi
Dew point43°
Wed, 2171° / 48°0Overcast
MorningOvercast54°feels 53°
AfternoonOvercast68°feels 67°
EveningOvercast60°feels 59°
OvernightOvercast51°feels 50°
71 °Overcast

Sullivan, Wednesday, 21 October

Overcast. High 71°, low 48°.

Pressure30.27 inHg
Wind2.9 mph SE
Humidity40%
Visibility—
Dew point42°
Thu, 2271° / 47°0Overcast
MorningOvercast54°feels 53°
AfternoonOvercast69°feels 67°
EveningOvercast63°feels 61°
OvernightOvercast58°feels 56°
71 °Overcast

Sullivan, Thursday, 22 October

Overcast. High 71°, low 47°.

Pressure30.21 inHg
Wind3.6 mph NE
Humidity42%
Visibility—
Dew point43°
Fri, 2375° / 54°0Overcast
MorningOvercast60°feels 58°
AfternoonOvercast73°feels 71°
EveningOvercast64°feels 62°
OvernightOvercast59°feels 57°
75 °Overcast

Sullivan, Friday, 23 October

Overcast. High 75°, low 54°.

Pressure30.18 inHg
Wind8.1 mph SE
Humidity27%
Visibility—
Dew point36°
Sat, 2474° / 55°0Overcast
MorningOvercast60°feels 58°
AfternoonOvercast71°feels 70°
EveningOvercast65°feels 63°
OvernightOvercast61°feels 59°
74 °Overcast

Sullivan, Saturday, 24 October

Overcast. High 74°, low 55°.

Pressure30.21 inHg
Wind10.2 mph S
Humidity30%
Visibility—
Dew point37°
Sun, 2578° / 59°0Overcast
MorningOvercast64°feels 62°
AfternoonOvercast75°feels 74°
EveningOvercast69°feels 68°
OvernightOvercast67°feels 66°
78 °Overcast

Sullivan, Sunday, 25 October

Overcast. High 78°, low 59°.

Pressure30.03 inHg
Wind13.6 mph S
Humidity31%
Visibility—
Dew point41°
Mon, 2668° / 44°0Overcast
MorningOvercast54°feels 53°
AfternoonOvercast51°feels 48°
EveningOvercast47°feels 41°
OvernightOvercast46°feels 43°
68 °Overcast

Sullivan, Monday, 26 October

Overcast. High 68°, low 44°.

Pressure30.12 inHg
Wind16.6 mph SW
Humidity71%
Visibility—
Dew point43°

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 Sullivan, 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.