Jay · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Jay & 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
82°
Wed, Aug 19
Coldest night
48°
Tue, Sep 1
Days with precip
1 / 14
of 14 forecast days
Nicest day
Mon, Aug 31
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 22 – Sun 23 Aug
74° 52°
32% precip chance
Sat 29 – Sun 30 Aug
78° 59°
7% precip chance
Sat 5 – Sun 6 Sep
68° 46°
typical range
Sat 12 – Sun 13 Sep
70° 46°
typical range
30 days — Jay
14 forecast + 16 climatology
Wed · Today Sunny
82°61°0.5 mm⌄
Wind7 mph SW
Gusts14 mph
UV index6 – High
Precip chance36%
Sunrise05:48
Sunset19:40
Thu · Tomorrow Mostly cloudy
82°62°15%⌄
Wind7 mph NW
Gusts17 mph
UV index7 – High
Precip chance15%
Sunrise05:49
Sunset19:38
Friday 21/8 Sunny
76°55°4%⌄
Wind7 mph NW
Gusts18 mph
UV index7 – High
Precip chance4%
Sunrise05:50
Sunset19:37
Saturday 22/8 Mostly cloudy
74°52°9%⌄
Wind8 mph S
Gusts20 mph
UV index6 – Moderate
Precip chance9%
Sunrise05:52
Sunset19:35
Sunday 23/8 Mostly cloudy
70°54°0.1 mm⌄
Wind5 mph S
Gusts13 mph
UV index5 – Moderate
Precip chance32%
Sunrise05:53
Sunset19:33
Monday 24/8 Sunny
77°58°8%⌄
Wind10 mph NW
Gusts21 mph
UV index7 – High
Precip chance8%
Sunrise05:54
Sunset19:32
Tuesday 25/8 Mostly cloudy
76°57°12%⌄
Wind10 mph W
Gusts15 mph
UV index5 – Moderate
Precip chance12%
Sunrise05:55
Sunset19:30
Wednesday 26/8 Mostly cloudy
74°53°9%⌄
Wind4 mph SW
Gusts14 mph
UV index6 – High
Precip chance9%
Sunrise05:56
Sunset19:28
Thursday 27/8 Mostly cloudy
70°55°23%⌄
Wind8 mph E
Gusts14 mph
UV index5 – Moderate
Precip chance23%
Sunrise05:57
Sunset19:26
Friday 28/8 Mostly cloudy
74°53°13%⌄
Wind6 mph NE
Gusts11 mph
UV index6 – High
Precip chance13%
Sunrise05:59
Sunset19:25
Saturday 29/8 Sunny
77°59°6%⌄
Wind5 mph NE
Gusts13 mph
UV index7 – High
Precip chance6%
Sunrise06:00
Sunset19:23
Sunday 30/8 Mostly cloudy
78°62°7%⌄
Wind9 mph N
Gusts13 mph
UV index6 – High
Precip chance7%
Sunrise06:01
Sunset19:21
Monday 31/8 Sunny
71°54°7%⌄
Wind9 mph NE
Gusts20 mph
UV index6 – High
Precip chance7%
Sunrise06:02
Sunset19:19
Tuesday 1/9 Mostly cloudy
70°48°4.5 mm⌄
Wind15 mph N
Gusts34 mph
UV index6 – High
Precip chance65%
Sunrise06:03
Sunset19:18
Wednesday 2/9 Light rain (climatological)
68°49°1.5 mm⌄
Day≈62–73°
Night≈44–54°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 3/9 Partly cloudy (climatological)
70°51°20%⌄
Day≈65–76°
Night≈45–56°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 4/9 Partly cloudy (climatological)
73°52°20%⌄
Day≈67–78°
Night≈47–57°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 5/9 Light rain (climatological)
68°49°1.5 mm⌄
Day≈63–74°
Night≈44–55°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 6/9 Partly cloudy (climatological)
63°46°20%⌄
Day≈58–68°
Night≈41–51°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 7/9 Partly cloudy (climatological)
63°46°20%⌄
Day≈57–68°
Night≈40–51°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 8/9 Light rain (climatological)
62°45°2.0 mm⌄
Day≈56–67°
Night≈40–51°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/9 Partly cloudy (climatological)
67°49°20%⌄
Day≈62–73°
Night≈43–54°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 10/9 Partly cloudy (climatological)
70°50°20%⌄
Day≈65–76°
Night≈45–56°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 11/9 Light rain (climatological)
73°52°1.8 mm⌄
Day≈67–78°
Night≈46–57°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Partly cloudy (climatological)
70°50°20%⌄
Day≈65–76°
Night≈45–56°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Partly cloudy (climatological)
62°46°20%⌄
Day≈57–68°
Night≈40–51°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Light rain (climatological)
62°46°1.0 mm⌄
Day≈57–68°
Night≈40–51°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Partly cloudy (climatological)
65°47°20%⌄
Day≈60–71°
Night≈42–53°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Partly cloudy (climatological)
66°48°20%⌄
Day≈60–71°
Night≈42–53°
Precip≈0.6 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Light rain (climatological)
72°52°1.8 mm⌄
Day≈67–78°
Night≈46–57°
Precip≈0.6 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 Jay, 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.