10-day forecast for St. Joseph, IA: 57° to 96°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Tuesday, August 11
71° · 0.83 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 65°0.17
Morning65°feels 65°
Afternoon82°feels 82°
Evening83°feels 88°
Overnight72°feels 74°
85 °
St. Joseph, Monday, 10 August
Rain. High 85°, low 65°.
Pressure29.88 inHg
Wind8.8 mph E
Humidity55%
Visibility6.2 mi
Dew point62°
Tue, 1196° / 71°0.01
Morning72°feels 73°
Afternoon94°feels 96°
Evening85°feels 89°
Overnight71°feels 72°
96 °
St. Joseph, Tuesday, 11 August
Light rain. High 96°, low 71°.
Pressure29.77 inHg
Wind7.4 mph N
Humidity40%
Visibility6.2 mi
Dew point63°
Wed, 1290° / 66°0.02
Morning67°feels 67°
Afternoon91°feels 88°
Evening77°feels 76°
Overnight70°feels 71°
90 °
St. Joseph, Wednesday, 12 August
Light rain. High 90°, low 66°.
Pressure29.85 inHg
Wind11 mph E
Humidity33%
Visibility6.2 mi
Dew point55°
Thu, 1371° / 60°0.83
Morning64°feels 63°
Afternoon67°feels 67°
Evening62°feels 62°
Overnight66°feels 66°
71 °
St. Joseph, Thursday, 13 August
Rain. High 71°, low 60°.
Pressure30.06 inHg
Wind11.3 mph E
Humidity62%
Visibility—
Dew point54°
Fri, 1476° / 57°0.04
Morning62°feels 62°
Afternoon74°feels 74°
Evening63°feels 63°
Overnight60°feels 61°
76 °
St. Joseph, Friday, 14 August
Light rain. High 76°, low 57°.
Pressure30.12 inHg
Wind13.5 mph SE
Humidity48%
Visibility—
Dew point53°
Sat, 1567° / 61°0
Morning62°feels 63°
Afternoon66°feels 66°
Evening66°feels 67°
Overnight64°feels 65°
67 °
St. Joseph, Saturday, 15 August
Light rain. High 67°, low 61°.
Pressure30.15 inHg
Wind11.3 mph SE
Humidity73%
Visibility—
Dew point56°
Sun, 1688° / 64°0
Morning71°feels 71°
Afternoon83°feels 84°
Evening80°feels 80°
Overnight68°feels 67°
88 °
St. Joseph, Sunday, 16 August
Overcast. High 88°, low 64°.
Pressure30.09 inHg
Wind6.5 mph NW
Humidity50%
Visibility—
Dew point60°
Mon, 1788° / 61°0
Morning68°feels 67°
Afternoon85°feels 84°
Evening82°feels 83°
Overnight71°feels 71°
88 °
St. Joseph, Monday, 17 August
Overcast. High 88°, low 61°.
Pressure30.06 inHg
Wind9.4 mph SE
Humidity39%
Visibility—
Dew point54°
Tue, 1893° / 66°0.11
Morning72°feels 74°
Afternoon89°feels 93°
Evening87°feels 92°
Overnight75°feels 76°
93 °
St. Joseph, Tuesday, 18 August
Light rain. High 93°, low 66°.
Pressure29.85 inHg
Wind15.8 mph S
Humidity49%
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 St. Joseph, 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.