10-day forecast for Potomac, IL: 49° to 70°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Sunday, November 1
69° · 0.62 in
Worst day: Sunday, November 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0170° / 56°0
Morning56°feels 55°
Afternoon70°feels 69°
Evening62°feels 60°
Overnight57°feels 56°
70 °
Potomac, Sunday, 1 November
Overcast. High 70°, low 56°.
Pressure30.30 inHg
Wind7.2 mph SE
Humidity47%
Visibility6.2 mi
Dew point47°
Mon, 0263° / 55°0.02
Morning56°feels 55°
Afternoon60°feels 59°
Evening61°feels 60°
Overnight56°feels 55°
63 °
Potomac, Monday, 2 November
Light rain. High 63°, low 55°.
Pressure30.15 inHg
Wind11.7 mph S
Humidity73%
Visibility6.2 mi
Dew point51°
Tue, 0370° / 60°0
Morning62°feels 62°
Afternoon69°feels 69°
Evening67°feels 67°
Overnight61°feels 61°
70 °
Potomac, Tuesday, 3 November
Overcast. High 70°, low 60°.
Pressure30.00 inHg
Wind15.6 mph S
Humidity70%
Visibility6.2 mi
Dew point58°
Wed, 0466° / 64°0.41
Morning64°feels 64°
Afternoon65°feels 65°
Evening64°feels 65°
Overnight65°feels 65°
66 °
Potomac, Wednesday, 4 November
Rain. High 66°, low 64°.
Pressure29.83 inHg
Wind11.5 mph S
Humidity93%
Visibility—
Dew point63°
Thu, 0567° / 56°0.47
Morning64°feels 64°
Afternoon66°feels 66°
Evening60°feels 60°
Overnight58°feels 57°
67 °
Potomac, Thursday, 5 November
Light rain. High 67°, low 56°.
Pressure29.59 inHg
Wind10.1 mph SE
Humidity87%
Visibility—
Dew point62°
Fri, 0667° / 49°0
Morning53°feels 51°
Afternoon64°feels 63°
Evening58°feels 58°
Overnight55°feels 55°
67 °
Potomac, Friday, 6 November
Clear. High 67°, low 49°.
Pressure29.94 inHg
Wind6.4 mph N
Humidity60%
Visibility—
Dew point49°
Sat, 0763° / 56°0.11
Morning58°feels 58°
Afternoon60°feels 60°
Evening60°feels 61°
Overnight60°feels 60°
63 °
Potomac, Saturday, 7 November
Light rain. High 63°, low 56°.
Pressure29.97 inHg
Wind4.9 mph E
Humidity90%
Visibility—
Dew point57°
Sun, 0869° / 59°0.62
Morning62°feels 62°
Afternoon67°feels 67°
Evening60°feels 60°
Overnight59°feels 59°
69 °
Potomac, Sunday, 8 November
Rain. High 69°, low 59°.
Pressure29.94 inHg
Wind6.1 mph E
Humidity73%
Visibility—
Dew point58°
Mon, 0964° / 58°0.3
Morning60°feels 60°
Afternoon63°feels 63°
Evening59°feels 59°
Overnight58°feels 58°
64 °
Potomac, Monday, 9 November
Rain. High 64°, low 58°.
Pressure29.91 inHg
Wind5.7 mph SE
Humidity81%
Visibility—
Dew point57°
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 Potomac, 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.