Lockport · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Lockport & 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
81°
Wed, Sep 2
Coldest night
57°
Wed, Aug 26
Days with precip
3 / 14
of 14 forecast days
Nicest day
Fri, Aug 28
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 22 – Sun 23 Aug
79° 63°
73% precip chance
Sat 29 – Sun 30 Aug
75° 65°
40% precip chance
Sat 5 – Sun 6 Sep
70° 56°
typical range
Sat 12 – Sun 13 Sep
72° 57°
typical range
30 days — Lockport
14 forecast + 16 climatology
Thu · Today Sunny
78°63°0.4 mm⌄
Wind6 mph NE
Gusts17 mph
UV index7 – High
Precip chance36%
Sunrise06:06
Sunset19:45
Fri · Tomorrow Sunny
77°66°0.5 mm⌄
Wind9 mph S
Gusts13 mph
UV index7 – High
Precip chance39%
Sunrise06:07
Sunset19:43
Saturday 22/8 Showers
79°64°3.5 mm⌄
Wind10 mph NW
Gusts19 mph
UV index8 – High
Precip chance73%
Sunrise06:08
Sunset19:42
Sunday 23/8 Mostly cloudy
75°63°25%⌄
Wind11 mph E
Gusts20 mph
UV index8 – High
Precip chance25%
Sunrise06:09
Sunset19:40
Monday 24/8 Mostly cloudy
73°58°0.4 mm⌄
Wind10 mph E
Gusts20 mph
UV index6 – High
Precip chance36%
Sunrise06:10
Sunset19:38
Tuesday 25/8 Sunny
78°63°13%⌄
Wind12 mph SW
Gusts20 mph
UV index7 – High
Precip chance13%
Sunrise06:11
Sunset19:37
Wednesday 26/8 Sunny
67°57°15%⌄
Wind14 mph N
Gusts26 mph
UV index5 – Moderate
Precip chance15%
Sunrise06:12
Sunset19:35
Thursday 27/8 Partly cloudy
71°63°0.1 mm⌄
Wind15 mph NE
Gusts27 mph
UV index5 – Moderate
Precip chance27%
Sunrise06:13
Sunset19:34
Friday 28/8 Sunny
74°63°7%⌄
Wind14 mph NE
Gusts20 mph
UV index6 – High
Precip chance7%
Sunrise06:14
Sunset19:32
Saturday 29/8 Sunny
73°65°0.5 mm⌄
Wind12 mph NE
Gusts20 mph
UV index6 – High
Precip chance40%
Sunrise06:15
Sunset19:30
Sunday 30/8 Sunny
75°65°11%⌄
Wind11 mph NE
Gusts16 mph
UV index6 – High
Precip chance11%
Sunrise06:16
Sunset19:29
Monday 31/8 Sunny
76°65°5.2 mm⌄
Wind6 mph NE
Gusts12 mph
UV index6 – High
Precip chance75%
Sunrise06:17
Sunset19:27
Tuesday 1/9 Sunny
78°67°0.4 mm⌄
Wind6 mph SE
Gusts12 mph
UV index7 – High
Precip chance36%
Sunrise06:18
Sunset19:26
Wednesday 2/9 Sunny
81°63°3.6 mm⌄
Wind15 mph SW
Gusts30 mph
UV index7 – High
Precip chance68%
Sunrise06:19
Sunset19:24
Thursday 3/9 Rain (climatological)
70°58°2.5 mm⌄
Day≈65–76°
Night≈52–63°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 4/9 Partly cloudy (climatological)
70°58°20%⌄
Day≈65–75°
Night≈52–63°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 5/9 Partly cloudy (climatological)
70°58°20%⌄
Day≈65–75°
Night≈52–63°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 6/9 Rain (climatological)
68°56°4.2 mm⌄
Day≈62–73°
Night≈51–62°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 7/9 Partly cloudy (climatological)
66°55°20%⌄
Day≈60–71°
Night≈50–60°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 8/9 Partly cloudy (climatological)
61°52°20%⌄
Day≈55–66°
Night≈47–57°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 9/9 Light rain (climatological)
65°55°1.9 mm⌄
Day≈59–70°
Night≈49–60°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 10/9 Partly cloudy (climatological)
70°58°20%⌄
Day≈64–75°
Night≈52–63°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 11/9 Partly cloudy (climatological)
70°58°20%⌄
Day≈65–76°
Night≈53–63°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Rain (climatological)
72°59°4.2 mm⌄
Day≈67–78°
Night≈54–64°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Partly cloudy (climatological)
69°57°20%⌄
Day≈64–75°
Night≈52–63°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Partly cloudy (climatological)
65°55°20%⌄
Day≈60–71°
Night≈50–60°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Rain (climatological)
62°53°2.6 mm⌄
Day≈57–67°
Night≈47–58°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Partly cloudy (climatological)
63°54°20%⌄
Day≈58–69°
Night≈48–59°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Partly cloudy (climatological)
67°56°20%⌄
Day≈61–72°
Night≈50–61°
Precip≈1.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Rain (climatological)
73°59°2.7 mm⌄
Day≈67–78°
Night≈54–65°
Precip≈1.3 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 Lockport, 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.