Great Kills · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Great Kills & 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
85°
Sun, Aug 30
Coldest night
60°
Tue, Aug 25
Days with precip
2 / 14
of 14 forecast days
Nicest day
Sun, Sep 6
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 29 – Sun 30 Aug
85° 67°
12% precip chance
Sat 5 – Sun 6 Sep
75° 67°
29% precip chance
Sat 12 – Sun 13 Sep
69° 59°
typical range
Sat 19 – Sun 20 Sep
69° 58°
typical range
30 days — Great Kills
14 forecast + 16 climatology
Tue · Today Sunny
78°60°8%⌄
Wind10 mph W
Gusts18 mph
UV index7 – High
Precip chance8%
Sunrise06:17
Sunset19:40
Wed · Tomorrow Sunny
82°64°6%⌄
Wind9 mph NW
Gusts19 mph
UV index8 – High
Precip chance6%
Sunrise06:18
Sunset19:38
Thursday 27/8 Showers
80°71°9.7 mm⌄
Wind14 mph SW
Gusts25 mph
UV index7 – High
Precip chance83%
Sunrise06:19
Sunset19:37
Friday 28/8 Mostly cloudy
84°71°0.8 mm⌄
Wind10 mph NW
Gusts24 mph
UV index6 – High
Precip chance59%
Sunrise06:20
Sunset19:35
Saturday 29/8 Mostly cloudy
80°69°12%⌄
Wind10 mph N
Gusts23 mph
UV index6 – High
Precip chance12%
Sunrise06:21
Sunset19:34
Sunday 30/8 Sunny
85°67°7%⌄
Wind12 mph S
Gusts23 mph
UV index7 – High
Precip chance7%
Sunrise06:22
Sunset19:32
Monday 31/8 Mostly cloudy
83°73°0.8 mm⌄
Wind14 mph W
Gusts27 mph
UV index7 – High
Precip chance58%
Sunrise06:22
Sunset19:30
Tuesday 1/9 Sunny
82°71°0.6 mm⌄
Wind10 mph N
Gusts19 mph
UV index7 – High
Precip chance36%
Sunrise06:23
Sunset19:29
Wednesday 2/9 Mostly cloudy
73°65°0.3 mm⌄
Wind9 mph N
Gusts17 mph
UV index5 – Moderate
Precip chance36%
Sunrise06:24
Sunset19:27
Thursday 3/9 Sunny
78°62°3%⌄
Wind9 mph S
Gusts13 mph
UV index7 – High
Precip chance3%
Sunrise06:25
Sunset19:26
Friday 4/9 Showers
70°67°7.7 mm⌄
Wind10 mph E
Gusts14 mph
UV index5 – Moderate
Precip chance88%
Sunrise06:26
Sunset19:24
Saturday 5/9 Partly cloudy
74°68°0.2 mm⌄
Wind11 mph E
Gusts16 mph
UV index5 – Moderate
Precip chance29%
Sunrise06:27
Sunset19:22
Sunday 6/9 Sunny
75°67°5%⌄
Wind11 mph SE
Gusts20 mph
UV index6 – High
Precip chance5%
Sunrise06:28
Sunset19:21
Monday 7/9 Sunny
75°64°5%⌄
Wind14 mph SE
Gusts23 mph
UV index6 – High
Precip chance5%
Sunrise06:29
Sunset19:19
Tuesday 8/9 Rain (climatological)
70°60°5.6 mm⌄
Day≈64–75°
Night≈54–65°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/9 Partly cloudy (climatological)
72°61°20%⌄
Day≈67–78°
Night≈56–67°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 10/9 Partly cloudy (climatological)
75°63°20%⌄
Day≈70–80°
Night≈58–68°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 11/9 Rain (climatological)
72°61°2.2 mm⌄
Day≈67–77°
Night≈56–67°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Partly cloudy (climatological)
69°60°20%⌄
Day≈64–75°
Night≈54–65°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Partly cloudy (climatological)
69°59°20%⌄
Day≈63–74°
Night≈54–65°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Rain (climatological)
67°58°3.6 mm⌄
Day≈62–73°
Night≈53–64°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Partly cloudy (climatological)
73°62°20%⌄
Day≈67–78°
Night≈56–67°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Partly cloudy (climatological)
74°63°20%⌄
Day≈69–80°
Night≈57–68°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Rain (climatological)
76°64°2.6 mm⌄
Day≈70–81°
Night≈58–69°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Partly cloudy (climatological)
71°60°20%⌄
Day≈65–76°
Night≈55–66°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Partly cloudy (climatological)
69°59°20%⌄
Day≈63–74°
Night≈54–65°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Rain (climatological)
67°58°4.0 mm⌄
Day≈62–72°
Night≈53–64°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Partly cloudy (climatological)
66°58°20%⌄
Day≈61–72°
Night≈53–63°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Partly cloudy (climatological)
72°61°20%⌄
Day≈67–78°
Night≈56–67°
Precip≈1.7 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 23/9 Rain (climatological)
72°61°3.3 mm⌄
Day≈67–78°
Night≈56–67°
Precip≈1.7 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 Great Kills, 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.