Charlemagne · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Charlemagne & 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
80°
Thu, Aug 27
Coldest night
49°
Tue, Sep 1
Days with precip
5 / 14
of 14 forecast days
Nicest day
Sat, Aug 29
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 29 – Sun 30 Aug
72° 51°
10% precip chance
Sat 5 – Sun 6 Sep
71° 49°
20% precip chance
Sat 12 – Sun 13 Sep
56° 42°
typical range
Sat 19 – Sun 20 Sep
59° 42°
typical range
30 days — Charlemagne
14 forecast + 16 climatology
Mon · Today Sunny
71°57°5.5 mm⌄
Wind13 mph SW
Gusts16 mph
UV index5 – Moderate
Precip chance76%
Sunrise06:05
Sunset19:47
Tue · Tomorrow Showers
70°58°13.8 mm⌄
Wind10 mph W
Gusts15 mph
UV index6 – Moderate
Precip chance87%
Sunrise06:06
Sunset19:45
Wednesday 26/8 Mostly cloudy
74°57°0.2 mm⌄
Wind15 mph SW
Gusts21 mph
UV index6 – High
Precip chance28%
Sunrise06:07
Sunset19:43
Thursday 27/8 Sunny
80°57°3.5 mm⌄
Wind13 mph SE
Gusts16 mph
UV index7 – High
Precip chance67%
Sunrise06:09
Sunset19:41
Friday 28/8 Sunny
75°57°1.9 mm⌄
Wind15 mph S
Gusts22 mph
UV index6 – High
Precip chance57%
Sunrise06:10
Sunset19:40
Saturday 29/8 Sunny
72°54°7%⌄
Wind8 mph SW
Gusts17 mph
UV index6 – High
Precip chance7%
Sunrise06:11
Sunset19:38
Sunday 30/8 Sunny
69°51°10%⌄
Wind12 mph SW
Gusts20 mph
UV index6 – High
Precip chance10%
Sunrise06:12
Sunset19:36
Monday 31/8 Showers
73°54°2.1 mm⌄
Wind10 mph SW
Gusts13 mph
UV index6 – High
Precip chance68%
Sunrise06:13
Sunset19:34
Tuesday 1/9 Sunny
67°49°8%⌄
Wind9 mph N
Gusts20 mph
UV index5 – Moderate
Precip chance8%
Sunrise06:15
Sunset19:32
Wednesday 2/9 Mostly cloudy
65°51°16%⌄
Wind7 mph NE
Gusts13 mph
UV index4 – Moderate
Precip chance16%
Sunrise06:16
Sunset19:30
Thursday 3/9 Partly cloudy
69°55°13%⌄
Wind12 mph NE
Gusts19 mph
UV index6 – High
Precip chance13%
Sunrise06:17
Sunset19:28
Friday 4/9 Mostly cloudy
70°57°26%⌄
Wind7 mph N
Gusts18 mph
UV index6 – High
Precip chance26%
Sunrise06:18
Sunset19:27
Saturday 5/9 Mostly cloudy
69°51°18%⌄
Wind8 mph NE
Gusts16 mph
UV index5 – Moderate
Precip chance18%
Sunrise06:20
Sunset19:25
Sunday 6/9 Sunny
71°49°0.1 mm⌄
Wind14 mph S
Gusts25 mph
UV index6 – High
Precip chance20%
Sunrise06:21
Sunset19:23
Monday 7/9 Rain (climatological)
60°45°3.9 mm⌄
Day≈54–65°
Night≈39–50°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 8/9 Partly cloudy (climatological)
64°47°20%⌄
Day≈59–70°
Night≈42–53°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/9 Partly cloudy (climatological)
68°50°20%⌄
Day≈63–73°
Night≈44–55°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 10/9 Rain (climatological)
64°47°4.1 mm⌄
Day≈59–70°
Night≈42–53°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 11/9 Partly cloudy (climatological)
59°44°20%⌄
Day≈54–65°
Night≈39–50°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Partly cloudy (climatological)
56°43°20%⌄
Day≈51–62°
Night≈37–48°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Rain (climatological)
56°42°3.9 mm⌄
Day≈50–61°
Night≈37–48°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Partly cloudy (climatological)
63°47°20%⌄
Day≈58–69°
Night≈41–52°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Partly cloudy (climatological)
67°49°20%⌄
Day≈62–72°
Night≈44–54°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Rain (climatological)
66°49°6.5 mm⌄
Day≈61–71°
Night≈43–54°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Partly cloudy (climatological)
65°48°20%⌄
Day≈60–71°
Night≈42–53°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Partly cloudy (climatological)
62°46°20%⌄
Day≈57–68°
Night≈41–52°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Rain (climatological)
55°42°3.3 mm⌄
Day≈50–60°
Night≈37–47°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Partly cloudy (climatological)
59°44°20%⌄
Day≈54–65°
Night≈39–50°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Partly cloudy (climatological)
64°47°20%⌄
Day≈58–69°
Night≈42–53°
Precip≈2.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Rain (climatological)
67°49°3.1 mm⌄
Day≈61–72°
Night≈43–54°
Precip≈2.3 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 Charlemagne, 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.