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Sumach, WA Weather - 14-Day Weather Forecast

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Sumach WA Weather - Clear - 69°F
Clear
69°F
Updated 1:58 pm
Feels Like 65°F
Humidity 33%
Wind S 17 mph
Barometer  29.78 in
Dew Point 39°F
Sumach WA Weather - Clear - 21°C
Clear
21°C
Updated 1:58 pm
Feels Like 19°C
Humidity 33%
Wind S 27 km/h
Barometer  100.8 kPa
Dew Point 4°C
Sumach, WA Weather and Current Conditionssumach wa weather forecast

Sumach, WA Weather Forecast

Sumach Washington WeatherSumach, Washington Weather Weather Forecast
14 day API forecast for Sumach, Washington. Note. The 7-day weather forecast for Sumach, WA is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Sumach, WA Weather Forecast Dated: 158 PM Thu Sep 03 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Thursday, September 3, 2026

Mid-Morning
Sumach Weather - 2026-09-03 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
Sumach Weather - 2026-09-03 - Afternoon - Scattered Showers
70°F 21°C
Scattered Showers
Early-Evening
Sumach Weather - 2026-09-03 - Evening - Scattered Showers
68°F 20°C
Scattered Showers
Pleasant near 70°F 21°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the S to the NW at 9 mph 15 km/h.

Friday, September 4, 2026

Mid-Morning
Sumach Weather - 2026-09-04 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
Sumach Weather - 2026-09-04 - Afternoon - Nearby Thunderstorms
69°F 20°C
Nearby Thunderstorms
Early-Evening
Sumach Weather - 2026-09-04 - Evening - Nearby Thunderstorms
67°F 19°C
Nearby Thunderstorms
Comfortable with temperatures reaching 69°F 20°C, locally heavy thunderstorms at times, with steady humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Sumach Weather - 2026-09-05 - Morning - Cloudy
60°F 16°C
Cloudy
Mid-Afternoon
Sumach Weather - 2026-09-05 - Afternoon - Nearby Thunderstorms
71°F 22°C
Nearby Thunderstorms
Early-Evening
Sumach Weather - 2026-09-05 - Evening - Nearby Thunderstorms
69°F 21°C
Nearby Thunderstorms
Enjoyable around 71°F 22°C, heavy thunderstorms conditions at times, with lower humidity and steady pressure. Winds switching from the NNW to the E at 6 mph 10 km/h.

Sunday, September 6, 2026

Mid-Morning
Sumach Weather - 2026-09-06 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Sumach Weather - 2026-09-06 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Sumach Weather - 2026-09-06 - Evening - Overcast
73°F 23°C
Overcast
Mild temperatures up to 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.

Monday, September 7, 2026

Mid-Morning
Sumach Weather - 2026-09-07 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-07 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sumach Weather - 2026-09-07 - Evening - Partly Cloudy
76°F 25°C
Partly Cloudy
Very warm with a high of 82°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Sumach Weather - 2026-09-08 - Morning - Partly Cloudy
63°F 17°C
Partly Cloudy
Mid-Afternoon
Sumach Weather - 2026-09-08 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
Sumach Weather - 2026-09-08 - Evening - Overcast
76°F 24°C
Overcast
Pleasant near 78°F 25°C, overcast throughout the day, with lower humidity and steady pressure.

Wednesday, September 9, 2026

Mid-Morning
Sumach Weather - 2026-09-09 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-09 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Sumach Weather - 2026-09-09 - Evening - Overcast
81°F 28°C
Overcast
Balmy with temperatures reaching 85°F 29°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Sumach Weather - 2026-09-10 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-10 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Sumach Weather - 2026-09-10 - Evening - Partly Cloudy
78°F 26°C
Partly Cloudy
Quite warm around 86°F 30°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the W to the NW at 8 mph 13 km/h.

Friday, September 11, 2026

Mid-Morning
Sumach Weather - 2026-09-11 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-11 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Sumach Weather - 2026-09-11 - Evening - Overcast
64°F 18°C
Overcast
Mild temperatures up to 71°F 22°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the SSW to the W at 10 mph 17 km/h.

Saturday, September 12, 2026

Mid-Morning
Sumach Weather - 2026-09-12 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Sumach Weather - 2026-09-12 - Afternoon - Cloudy
67°F 20°C
Cloudy
Early-Evening
Sumach Weather - 2026-09-12 - Evening - Overcast
65°F 18°C
Overcast
Mildly cool near 67°F 20°C, overcast throughout the day, with lower humidity and steady pressure. Winds shifting from the W to the NNW at 8 mph 12 km/h.

Sunday, September 13, 2026

Mid-Morning
Sumach Weather - 2026-09-13 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-13 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Sumach Weather - 2026-09-13 - Evening - Overcast
69°F 21°C
Overcast
Pleasant near 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Sumach Weather - 2026-09-14 - Morning - Partly Cloudy
58°F 15°C
Partly Cloudy
Mid-Afternoon
Sumach Weather - 2026-09-14 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Sumach Weather - 2026-09-14 - Evening - Sunny
73°F 23°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Sumach Weather - 2026-09-15 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-15 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sumach Weather - 2026-09-15 - Evening - Sunny
77°F 25°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Sumach Weather - 2026-09-16 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Sumach Weather - 2026-09-16 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sumach Weather - 2026-09-16 - Evening - Sunny
79°F 26°C
Sunny
Warm temperatures up to 82°F 28°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Thu, 3rd
Sumach WA Weather - Thursday, Sep 3, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 51°F 11°C
Sunrise 06:25 AM
Sunset 07:37 PM
Wind SSE 2 mph3 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 17% *
Humidity 37%
Fri, 4th
Sumach WA Weather - Friday, Sep 4, 2026 - Cloudy
Hi: 69°F 20°C
Lo: 55°F 13°C
Sunrise 06:26 AM
Sunset 07:35 PM
Wind SSE 4 mph6 km/h
Dew Point 37°F3°C
uv Index 1
Barometric Pressure 29.91 in1013 mb
POP 6% *
Humidity 34%
Sat, 5th
Sumach WA Weather - Saturday, Sep 5, 2026 - Cloudy
Hi: 72°F 22°C
Lo: 56°F 13°C
Sunrise 06:27 AM
Sunset 07:33 PM
Wind SSE 7 mph12 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 7% *
Humidity 32%
Sun, 6th
Sumach WA Weather - Sunday, Sep 6, 2026 - Partly Cloudy
Hi: 76°F 24°C
Lo: 55°F 13°C
Sunrise 06:29 AM
Sunset 07:31 PM
Wind NE 4 mph7 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 29%
Mon, 7th
Sumach WA Weather - Monday, Sep 7, 2026 - Sunny
Hi: 82°F 28°C
Lo: 59°F 15°C
Sunrise 06:30 AM
Sunset 07:29 PM
Wind SSE 3 mph5 km/h
Dew Point 36°F2°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 0% *
Humidity 24%
Tue, 8th
Sumach WA Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 79°F 26°C
Lo: 59°F 15°C
Sunrise 06:31 AM
Sunset 07:27 PM
Wind SE 2 mph4 km/h
Dew Point 35°F2°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 26%
Wed, 9th
Sumach WA Weather - Wednesday, Sep 9, 2026 - Partly Cloudy
Hi: 86°F 30°C
Lo: 64°F 18°C
Sunrise 06:32 AM
Sunset 07:25 PM
Wind NE 8 mph12 km/h
Dew Point 32°F-0°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 2% *
Humidity 17%
Thu, 10th
Sumach WA Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 86°F 30°C
Lo: 65°F 18°C
Sunrise 06:34 AM
Sunset 07:23 PM
Wind SE 3 mph4 km/h
Dew Point 36°F2°C
uv Index 7
Barometric Pressure 29.74 in1007 mb
POP 0% *
Humidity 20%
Fri, 11th
Sumach WA Weather - Friday, Sep 11, 2026 - Overcast
Hi: 71°F 22°C
Lo: 58°F 14°C
Sunrise 06:35 AM
Sunset 07:21 PM
Wind SW 12 mph19 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 29.68 in1005 mb
POP 3% *
Humidity 36%
Sat, 12th
Sumach WA Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 69°F 20°C
Lo: 54°F 12°C
Sunrise 06:36 AM
Sunset 07:19 PM
Wind SSE 2 mph3 km/h
Dew Point 32°F0°C
uv Index 4
Barometric Pressure 29.8 in1009 mb
POP 9% *
Humidity 31%
Sun, 13th
Sumach WA Weather - Sunday, Sep 13, 2026 - Partly Cloudy
Hi: 74°F 23°C
Lo: 50°F 10°C
Sunrise 06:37 AM
Sunset 07:17 PM
Wind SE 3 mph5 km/h
Dew Point 33°F1°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 32%
Mon, 14th
Sumach WA Weather - Monday, Sep 14, 2026 - Overcast
Hi: 75°F 24°C
Lo: 55°F 13°C
Sunrise 06:39 AM
Sunset 07:15 PM
Wind S 3 mph5 km/h
Dew Point 33°F0°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 6% *
Humidity 29%
Tue, 15th
Sumach WA Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 84°F 29°C
Lo: 59°F 15°C
Sunrise 06:40 AM
Sunset 07:13 PM
Wind SSE 2 mph3 km/h
Dew Point 36°F2°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 25%
Wed, 16th
Sumach WA Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 83°F 29°C
Lo: 62°F 17°C
Sunrise 06:41 AM
Sunset 07:11 PM
Wind ESE 2 mph4 km/h
Dew Point 36°F2°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 23%
* POP = Probability of Precipitation. Data for 12:00 PM.