Grand Ronde · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Grand Ronde & 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
27°
Wed, Sep 9
Coldest night
9°
Sun, Aug 30
Days with precip
3 / 14
of 14 forecast days
Nicest day
Sun, Aug 30
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 29 – Sun 30 Aug
21° 9°
24% precip chance
Sat 5 – Sun 6 Sep
25° 11°
36% precip chance
Sat 12 – Sun 13 Sep
18° 7°
typical range
Sat 19 – Sun 20 Sep
18° 6°
typical range
30 days — Grand Ronde
14 forecast + 16 climatology
Sat · Today Partly cloudy
21°10°0.2 mm⌄
Wind10 mph W
Gusts14 mph
UV index6 – Moderate
Precip chance24%
Sunrise06:32
Sunset19:57
Sun · Tomorrow Sunny
21°9°10%⌄
Wind8 mph NW
Gusts17 mph
UV index6 – High
Precip chance10%
Sunrise06:34
Sunset19:55
Monday 31/8 Mostly cloudy
23°12°15%⌄
Wind7 mph NW
Gusts18 mph
UV index6 – Moderate
Precip chance15%
Sunrise06:35
Sunset19:54
Tuesday 1/9 Sunny
19°11°0.7 mm⌄
Wind9 mph W
Gusts21 mph
UV index5 – Moderate
Precip chance46%
Sunrise06:36
Sunset19:52
Wednesday 2/9 Showers
12°10°45.7 mm⌄
Wind15 mph S
Gusts39 mph
UV index3 – Moderate
Precip chance94%
Sunrise06:37
Sunset19:50
Thursday 3/9 Showers
15°9°1.2 mm⌄
Wind9 mph SW
Gusts16 mph
UV index4 – Moderate
Precip chance68%
Sunrise06:38
Sunset19:48
Friday 4/9 Mostly cloudy
18°9°17%⌄
Wind7 mph NW
Gusts14 mph
UV index5 – Moderate
Precip chance17%
Sunrise06:40
Sunset19:46
Saturday 5/9 Mostly cloudy
22°11°0.3 mm⌄
Wind6 mph NW
Gusts11 mph
UV index6 – High
Precip chance36%
Sunrise06:41
Sunset19:44
Sunday 6/9 Sunny
25°12°3%⌄
Wind8 mph E
Gusts13 mph
UV index6 – High
Precip chance3%
Sunrise06:42
Sunset19:43
Monday 7/9 Sunny
24°12°0.3 mm⌄
Wind7 mph W
Gusts8 mph
UV index6 – High
Precip chance36%
Sunrise06:43
Sunset19:41
Tuesday 8/9 Mostly cloudy
25°12°13%⌄
Wind5 mph E
Gusts15 mph
UV index6 – High
Precip chance13%
Sunrise06:44
Sunset19:39
Wednesday 9/9 Sunny
27°14°6%⌄
Wind6 mph W
Gusts17 mph
UV index7 – High
Precip chance6%
Sunrise06:46
Sunset19:37
Thursday 10/9 Sunny
25°13°2.1 mm⌄
Wind7 mph NW
Gusts13 mph
UV index7 – High
Precip chance57%
Sunrise06:47
Sunset19:35
Friday 11/9 Sunny
23°12°5%⌄
Wind7 mph NW
Gusts10 mph
UV index6 – High
Precip chance5%
Sunrise06:48
Sunset19:33
Saturday 12/9 Rain (climatological)
18°8°7.0 mm⌄
Day≈15–21°
Night≈5–11°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Partly cloudy (climatological)
17°7°20%⌄
Day≈14–20°
Night≈4–10°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Partly cloudy (climatological)
18°8°20%⌄
Day≈15–21°
Night≈5–11°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Rain (climatological)
17°7°6.2 mm⌄
Day≈14–20°
Night≈4–10°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Partly cloudy (climatological)
15°6°20%⌄
Day≈12–18°
Night≈3–9°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Partly cloudy (climatological)
13°5°20%⌄
Day≈10–16°
Night≈2–8°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Rain (climatological)
13°5°12.1 mm⌄
Day≈10–16°
Night≈2–8°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Partly cloudy (climatological)
15°6°20%⌄
Day≈12–18°
Night≈3–9°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Partly cloudy (climatological)
18°8°20%⌄
Day≈15–21°
Night≈5–11°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Rain (climatological)
17°7°13.9 mm⌄
Day≈14–20°
Night≈4–10°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Partly cloudy (climatological)
18°8°20%⌄
Day≈15–21°
Night≈5–11°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 23/9 Partly cloudy (climatological)
16°6°20%⌄
Day≈13–19°
Night≈3–9°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 24/9 Rain (climatological)
15°6°9.2 mm⌄
Day≈12–18°
Night≈3–9°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 25/9 Partly cloudy (climatological)
16°6°20%⌄
Day≈13–19°
Night≈3–9°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 26/9 Partly cloudy (climatological)
15°6°20%⌄
Day≈12–18°
Night≈3–9°
Precip≈4.3 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 27/9 Rain (climatological)
20°9°8.4 mm⌄
Day≈17–23°
Night≈6–12°
Precip≈4.3 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 Grand Ronde, 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.