10-day forecast for Mason, IL: 47° to 76°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Wednesday, October 28
63° · 0.57 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2876° / 47°0
Morning50°feels 48°
Afternoon76°feels 76°
Evening59°feels 58°
Overnight52°feels 51°
76 °
Mason, Wednesday, 28 October
Clear. High 76°, low 47°.
Pressure30.24 inHg
Wind6.9 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Thu, 2976° / 52°0
Morning55°feels 55°
Afternoon75°feels 75°
Evening68°feels 68°
Overnight57°feels 56°
76 °
Mason, Thursday, 29 October
Clear. High 76°, low 52°.
Pressure30.15 inHg
Wind8.9 mph SW
Humidity53%
Visibility6.2 mi
Dew point54°
Fri, 3075° / 58°0
Morning58°feels 58°
Afternoon75°feels 75°
Evening65°feels 65°
Overnight60°feels 60°
75 °
Mason, Friday, 30 October
Overcast. High 75°, low 58°.
Pressure30.24 inHg
Wind6 mph SE
Humidity70%
Visibility6.2 mi
Dew point61°
Sat, 3170° / 59°0
Morning60°feels 60°
Afternoon69°feels 68°
Evening63°feels 63°
Overnight61°feels 60°
70 °
Mason, Saturday, 31 October
Overcast. High 70°, low 59°.
Pressure30.21 inHg
Wind4.3 mph SE
Humidity69%
Visibility6.2 mi
Dew point56°
Sun, 0163° / 59°0.1
Morning60°feels 60°
Afternoon63°feels 63°
Evening61°feels 61°
Overnight60°feels 60°
63 °
Mason, Sunday, 1 November
Light rain. High 63°, low 59°.
Pressure30.18 inHg
Wind8.6 mph E
Humidity84%
Visibility—
Dew point58°
Mon, 0270° / 59°0.09
Morning62°feels 62°
Afternoon66°feels 65°
Evening62°feels 62°
Overnight60°feels 60°
70 °
Mason, Monday, 2 November
Light rain. High 70°, low 59°.
Pressure29.83 inHg
Wind8.9 mph E
Humidity74%
Visibility—
Dew point57°
Tue, 0360° / 57°0.04
Morning58°feels 58°
Afternoon60°feels 59°
Evening60°feels 59°
Overnight58°feels 57°
60 °
Mason, Tuesday, 3 November
Light rain. High 60°, low 57°.
Pressure29.88 inHg
Wind15.3 mph E
Humidity87%
Visibility—
Dew point55°
Wed, 0463° / 54°0.28
Morning56°feels 56°
Afternoon61°feels 61°
Evening61°feels 61°
Overnight59°feels 59°
63 °
Mason, Wednesday, 4 November
Rain. High 63°, low 54°.
Pressure29.77 inHg
Wind16.9 mph E
Humidity80%
Visibility—
Dew point54°
Thu, 0563° / 59°0.57
Morning61°feels 61°
Afternoon62°feels 62°
Evening59°feels 59°
Overnight59°feels 59°
63 °
Mason, Thursday, 5 November
Rain. High 63°, low 59°.
Pressure29.59 inHg
Wind12.9 mph E
Humidity83%
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 Mason, 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.