10-day forecast for Mason City, IA: 62° to 85°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Tuesday, August 18
71° · 0.7 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 68°0.17
Morning68°feels 69°
Afternoon82°feels 84°
Evening78°feels 79°
Overnight74°feels 75°
84 °
Mason City, Monday, 10 August
Rain. High 84°, low 68°.
Pressure29.85 inHg
Wind13.9 mph SE
Humidity76%
Visibility6.2 mi
Dew point70°
Tue, 1185° / 68°0.02
Morning70°feels 72°
Afternoon84°feels 88°
Evening76°feels 77°
Overnight73°feels 75°
85 °
Mason City, Tuesday, 11 August
Light rain. High 85°, low 68°.
Pressure29.80 inHg
Wind5.7 mph NE
Humidity69%
Visibility6.2 mi
Dew point70°
Wed, 1283° / 66°0.01
Morning68°feels 69°
Afternoon81°feels 83°
Evening74°feels 76°
Overnight68°feels 69°
83 °
Mason City, Wednesday, 12 August
Light rain. High 83°, low 66°.
Pressure29.88 inHg
Wind5.5 mph E
Humidity79%
Visibility6.2 mi
Dew point65°
Thu, 1378° / 66°0.03
Morning70°feels 71°
Afternoon78°feels 79°
Evening68°feels 69°
Overnight68°feels 69°
78 °
Mason City, Thursday, 13 August
Light rain. High 78°, low 66°.
Pressure29.94 inHg
Wind6.9 mph SE
Humidity77%
Visibility6.2 mi
Dew point69°
Fri, 1471° / 64°0.24
Morning67°feels 68°
Afternoon70°feels 71°
Evening68°feels 69°
Overnight68°feels 69°
71 °
Mason City, Friday, 14 August
Rain. High 71°, low 64°.
Pressure29.97 inHg
Wind16.3 mph E
Humidity96%
Visibility—
Dew point69°
Sat, 1578° / 66°0.47
Morning70°feels 71°
Afternoon75°feels 77°
Evening70°feels 72°
Overnight66°feels 67°
78 °
Mason City, Saturday, 15 August
Rain. High 78°, low 66°.
Pressure29.88 inHg
Wind13.1 mph E
Humidity87%
Visibility—
Dew point71°
Sun, 1673° / 63°0
Morning65°feels 66°
Afternoon70°feels 71°
Evening70°feels 71°
Overnight65°feels 65°
73 °
Mason City, Sunday, 16 August
Overcast. High 73°, low 63°.
Pressure30.06 inHg
Wind11.1 mph NW
Humidity76%
Visibility—
Dew point61°
Mon, 1771° / 62°0.7
Morning63°feels 64°
Afternoon66°feels 67°
Evening70°feels 71°
Overnight66°feels 67°
71 °
Mason City, Monday, 17 August
Rain. High 71°, low 62°.
Pressure29.91 inHg
Wind11.8 mph SE
Humidity98%
Visibility—
Dew point64°
Tue, 1883° / 67°0
Morning72°feels 73°
Afternoon82°feels 84°
Evening76°feels 77°
Overnight69°feels 69°
83 °
Mason City, Tuesday, 18 August
Overcast. High 83°, low 67°.
Pressure29.88 inHg
Wind11.5 mph NW
Humidity62%
Visibility—
Dew point66°
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 City, IA 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.