Mount Washington · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Mount Washington & 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
101°
Fri, Sep 4
Coldest night
61°
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 29 – Sun 30 Aug
92° 64°
6% precip chance
Sat 5 – Sun 6 Sep
87° 69°
68% precip chance
Sat 12 – Sun 13 Sep
88° 63°
typical range
Sat 19 – Sun 20 Sep
85° 62°
typical range
30 days — Mount Washington
14 forecast + 16 climatology
Wed · Today Sunny
92°61°5%⌄
Wind6 mph SW
Gusts12 mph
UV index6 – Moderate
Precip chance5%
Sunrise07:06
Sunset20:21
Thu · Tomorrow Sunny
88°67°0.5 mm⌄
Wind9 mph NW
Gusts21 mph
UV index8 – Very high
Precip chance36%
Sunrise07:07
Sunset20:19
Friday 28/8 Sunny
84°64°4%⌄
Wind11 mph NE
Gusts27 mph
UV index7 – High
Precip chance4%
Sunrise07:08
Sunset20:18
Saturday 29/8 Sunny
88°64°6%⌄
Wind7 mph E
Gusts15 mph
UV index8 – Very high
Precip chance6%
Sunrise07:09
Sunset20:16
Sunday 30/8 Sunny
92°66°4%⌄
Wind9 mph SW
Gusts19 mph
UV index8 – Very high
Precip chance4%
Sunrise07:10
Sunset20:15
Monday 31/8 Sunny
92°73°6%⌄
Wind14 mph SW
Gusts18 mph
UV index8 – Very high
Precip chance6%
Sunrise07:11
Sunset20:13
Tuesday 1/9 Sunny
96°76°3%⌄
Wind14 mph W
Gusts28 mph
UV index9 – Very high
Precip chance3%
Sunrise07:12
Sunset20:12
Wednesday 2/9 Sunny
100°77°2%⌄
Wind11 mph SW
Gusts21 mph
UV index9 – Very high
Precip chance2%
Sunrise07:12
Sunset20:10
Thursday 3/9 Sunny
101°78°2%⌄
Wind11 mph W
Gusts34 mph
UV index9 – Very high
Precip chance2%
Sunrise07:13
Sunset20:09
Friday 4/9 Sunny
101°82°4%⌄
Wind14 mph SW
Gusts24 mph
UV index9 – Very high
Precip chance4%
Sunrise07:14
Sunset20:07
Saturday 5/9 Mostly cloudy
84°69°1.3 mm⌄
Wind12 mph SW
Gusts21 mph
UV index5 – Moderate
Precip chance68%
Sunrise07:15
Sunset20:06
Sunday 6/9 Showers
87°69°2.9 mm⌄
Wind10 mph NW
Gusts14 mph
UV index8 – Very high
Precip chance62%
Sunrise07:16
Sunset20:04
Monday 7/9 Sunny
92°68°1%⌄
Wind8 mph SW
Gusts13 mph
UV index8 – Very high
Precip chance1%
Sunrise07:17
Sunset20:03
Tuesday 8/9 Showers
77°66°7.3 mm⌄
Wind15 mph SW
Gusts34 mph
UV index5 – Moderate
Precip chance86%
Sunrise07:18
Sunset20:01
Wednesday 9/9 Rain (climatological)
83°64°2.2 mm⌄
Day≈78–89°
Night≈58–69°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 10/9 Partly cloudy (climatological)
85°65°20%⌄
Day≈80–91°
Night≈60–70°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 11/9 Partly cloudy (climatological)
90°68°20%⌄
Day≈84–95°
Night≈62–73°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Light rain (climatological)
88°66°2.0 mm⌄
Day≈82–93°
Night≈61–72°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Partly cloudy (climatological)
82°63°20%⌄
Day≈77–88°
Night≈58–69°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Partly cloudy (climatological)
81°62°20%⌄
Day≈75–86°
Night≈57–67°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Rain (climatological)
82°63°2.3 mm⌄
Day≈77–88°
Night≈58–69°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Partly cloudy (climatological)
82°63°20%⌄
Day≈76–87°
Night≈57–68°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Partly cloudy (climatological)
90°68°20%⌄
Day≈84–95°
Night≈62–73°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Light rain (climatological)
90°68°1.3 mm⌄
Day≈85–95°
Night≈62–73°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Partly cloudy (climatological)
85°65°20%⌄
Day≈79–90°
Night≈59–70°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Partly cloudy (climatological)
81°62°20%⌄
Day≈76–86°
Night≈57–68°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Rain (climatological)
78°60°2.3 mm⌄
Day≈72–83°
Night≈55–66°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Partly cloudy (climatological)
80°62°20%⌄
Day≈75–86°
Night≈56–67°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 23/9 Partly cloudy (climatological)
86°66°20%⌄
Day≈81–92°
Night≈60–71°
Precip≈1.0 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 24/9 Rain (climatological)
89°67°2.2 mm⌄
Day≈84–95°
Night≈62–73°
Precip≈1.0 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 Mount Washington, 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.