Saint Joseph · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Saint Joseph & neighbors — hit play
Every city on the map carries real forecast data from the same models as its city page, refreshed several times a day. The icon is the day's overall look; the number is the afternoon high.
Next 14 days at a glance
from the model forecast
Hottest day
97°
Sun, Aug 30
Coldest night
46°
Wed, Sep 9
Days with precip
5 / 14
of 14 forecast days
Nicest day
Wed, Sep 9
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 29 – Sun 30 Aug
97° 65°
57% precip chance
Sat 5 – Sun 6 Sep
88° 61°
77% precip chance
Sat 12 – Sun 13 Sep
81° 51°
typical range
Sat 19 – Sun 20 Sep
79° 53°
typical range
30 days — Saint Joseph
14 forecast + 16 climatology
Thu · Today Sunny
84°55°1%⌄
Wind10 mph N
Gusts15 mph
UV index7 – High
Precip chance1%
Sunrise06:32
Sunset20:04
Fri · Tomorrow Sunny
88°55°4%⌄
Wind15 mph SW
Gusts26 mph
UV index7 – High
Precip chance4%
Sunrise06:33
Sunset20:03
Saturday 29/8 Mostly cloudy
91°65°1.2 mm⌄
Wind15 mph SE
Gusts27 mph
UV index8 – Very high
Precip chance57%
Sunrise06:35
Sunset20:01
Sunday 30/8 Mostly cloudy
97°69°9%⌄
Wind15 mph W
Gusts26 mph
UV index8 – Very high
Precip chance9%
Sunrise06:36
Sunset19:59
Monday 31/8 Mostly cloudy
93°66°9%⌄
Wind15 mph W
Gusts23 mph
UV index8 – Very high
Precip chance9%
Sunrise06:37
Sunset19:57
Tuesday 1/9 Mostly cloudy
81°65°8%⌄
Wind15 mph SE
Gusts24 mph
UV index7 – High
Precip chance8%
Sunrise06:38
Sunset19:55
Wednesday 2/9 Thunderstorms
86°58°1.8 mm⌄
Wind16 mph SE
Gusts29 mph
UV index7 – High
Precip chance61%
Sunrise06:39
Sunset19:53
Thursday 3/9 Thunderstorms
94°64°1.6 mm⌄
Wind18 mph NE
Gusts29 mph
UV index7 – High
Precip chance60%
Sunrise06:41
Sunset19:52
Friday 4/9 Mostly cloudy
88°62°9%⌄
Wind13 mph SE
Gusts25 mph
UV index7 – High
Precip chance9%
Sunrise06:42
Sunset19:50
Saturday 5/9 Mostly cloudy
88°64°7.4 mm⌄
Wind19 mph S
Gusts28 mph
UV index7 – High
Precip chance77%
Sunrise06:43
Sunset19:48
Sunday 6/9 Sunny
73°61°7.0 mm⌄
Wind22 mph NW
Gusts32 mph
UV index6 – High
Precip chance63%
Sunrise06:44
Sunset19:46
Monday 7/9 Sunny
76°54°4%⌄
Wind10 mph NW
Gusts28 mph
UV index6 – High
Precip chance4%
Sunrise06:46
Sunset19:44
Tuesday 8/9 Sunny
64°50°5%⌄
Wind15 mph N
Gusts22 mph
UV index5 – Moderate
Precip chance5%
Sunrise06:47
Sunset19:42
Wednesday 9/9 Sunny
73°46°3%⌄
Wind10 mph S
Gusts28 mph
UV index6 – High
Precip chance3%
Sunrise06:48
Sunset19:40
Thursday 10/9 Rain (climatological)
74°51°3.7 mm⌄
Day≈69–80°
Night≈46–57°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 11/9 Partly cloudy (climatological)
77°53°20%⌄
Day≈71–82°
Night≈47–58°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Partly cloudy (climatological)
81°55°20%⌄
Day≈75–86°
Night≈50–60°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Rain (climatological)
74°51°2.9 mm⌄
Day≈69–80°
Night≈46–56°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Partly cloudy (climatological)
73°50°20%⌄
Day≈67–78°
Night≈45–55°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Partly cloudy (climatological)
70°49°20%⌄
Day≈65–76°
Night≈43–54°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Rain (climatological)
69°48°5.5 mm⌄
Day≈63–74°
Night≈42–53°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Partly cloudy (climatological)
72°50°20%⌄
Day≈67–78°
Night≈45–55°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Partly cloudy (climatological)
79°54°20%⌄
Day≈74–85°
Night≈49–59°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Rain (climatological)
79°54°4.1 mm⌄
Day≈74–85°
Night≈49–60°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Partly cloudy (climatological)
78°53°20%⌄
Day≈73–84°
Night≈48–59°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Partly cloudy (climatological)
72°49°20%⌄
Day≈66–77°
Night≈44–55°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Rain (climatological)
69°48°2.5 mm⌄
Day≈63–74°
Night≈42–53°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 23/9 Partly cloudy (climatological)
70°49°20%⌄
Day≈65–76°
Night≈43–54°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 24/9 Partly cloudy (climatological)
75°52°20%⌄
Day≈70–80°
Night≈46–57°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 25/9 Rain (climatological)
78°53°5.2 mm⌄
Day≈73–84°
Night≈48–59°
Precip≈1.6 in / September
(climatological)Typical range for these dates · 1991–2020
How does a 30-day outlook work?
The first 14 days are a live model forecast. The back half of the month shows the typical range for those dates — useful for planning, not a literal prediction.
First 14 days: a real forecast, blended from NBM, ECMWF and GFS runs. Trust it most inside three days; by the second week treat it as a lean, not a promise.
Rest of the month: past day 14 we stop pretending to forecast and switch to the climate corridor — the range those dates have produced over three decades computed directly for Saint Joseph, with mild week-to-week wiggle.
Good question for this page: "Is late August usually humid in Chicago?" Bad question: "Do I need an umbrella on the 29th?" — three weeks out no one knows, and that's the honest answer.