10-day forecast for Seneca, IL: 59° to 89°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
63° · 0.06 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0989° / 64°0.04
Morning70°feels 72°
Afternoon88°feels 100°
Evening84°feels 95°
Overnight66°feels 66°
89 °
Seneca, Sunday, 9 August
Light rain. High 89°, low 64°.
Pressure29.91 inHg
Wind14.4 mph S
Humidity77%
Visibility6.2 mi
Dew point75°
Mon, 1088° / 72°0.03
Morning73°feels 75°
Afternoon82°feels 88°
Evening80°feels 80°
Overnight76°feels 77°
88 °
Seneca, Monday, 10 August
Light rain. High 88°, low 72°.
Pressure29.88 inHg
Wind12.1 mph S
Humidity75%
Visibility6.2 mi
Dew point74°
Tue, 1185° / 73°0.02
Morning75°feels 76°
Afternoon80°feels 80°
Evening79°feels 79°
Overnight75°feels 76°
85 °
Seneca, Tuesday, 11 August
Light rain. High 85°, low 73°.
Pressure29.80 inHg
Wind14.2 mph SW
Humidity78%
Visibility6.2 mi
Dew point73°
Wed, 1282° / 68°0.04
Morning71°feels 72°
Afternoon81°feels 85°
Evening74°feels 75°
Overnight70°feels 71°
82 °
Seneca, Wednesday, 12 August
Light rain. High 82°, low 68°.
Pressure29.85 inHg
Wind5.4 mph N
Humidity70%
Visibility6.2 mi
Dew point70°
Thu, 1375° / 61°0.04
Morning66°feels 67°
Afternoon74°feels 74°
Evening66°feels 67°
Overnight64°feels 65°
75 °
Seneca, Thursday, 13 August
Light rain. High 75°, low 61°.
Pressure30.00 inHg
Wind7.6 mph E
Humidity76%
Visibility—
Dew point65°
Fri, 1477° / 60°0
Morning65°feels 65°
Afternoon75°feels 75°
Evening71°feels 71°
Overnight63°feels 63°
77 °
Seneca, Friday, 14 August
Partly cloudy. High 77°, low 60°.
Pressure30.09 inHg
Wind7.2 mph E
Humidity65%
Visibility—
Dew point61°
Sat, 1563° / 59°0.06
Morning60°feels 60°
Afternoon62°feels 62°
Evening61°feels 62°
Overnight61°feels 60°
63 °
Seneca, Saturday, 15 August
Light rain. High 63°, low 59°.
Pressure30.30 inHg
Wind11.9 mph E
Humidity90%
Visibility—
Dew point59°
Sun, 1671° / 61°0.01
Morning62°feels 62°
Afternoon65°feels 65°
Evening68°feels 68°
Overnight63°feels 63°
71 °
Seneca, Sunday, 16 August
Light rain. High 71°, low 61°.
Pressure30.15 inHg
Wind5.7 mph E
Humidity86%
Visibility—
Dew point59°
Mon, 1777° / 62°0.05
Morning66°feels 66°
Afternoon76°feels 76°
Evening74°feels 75°
Overnight67°feels 67°
77 °
Seneca, Monday, 17 August
Light rain. High 77°, low 62°.
Pressure30.06 inHg
Wind3.8 mph E
Humidity72%
Visibility—
Dew point64°
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 Seneca, 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.