Flat Lake, WA 14 Day Weather

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Flat Lake, WA Weather - 14-Day Weather Forecast

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Flat Lake WA Weather - Clear - 69°F
Clear
69°F
Updated 12:14 pm
Feels Like 62°F
Humidity 28%
Wind N 0 mph
Barometer  29.94 in
Dew Point 35°F
Flat Lake WA Weather - Clear - 21°C
Clear
21°C
Updated 12:14 pm
Feels Like 17°C
Humidity 28%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 2°C
Flat Lake, WA Weather and Current Conditionsflat lake wa weather forecast

Flat Lake, WA Weather Forecast

Flat Lake Washington WeatherFlat Lake, Washington Weather Weather Forecast
14 Day API Flat Lake Weather Forecast. Note: Our 7 day Flat Lake weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Flat Lake, WA Weather Forecast Dated: 1214 PM Fri Sep 11 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Friday, September 11, 2026

Mid-Morning
Flat Lake Weather - 2026-09-11 - Morning - Overcast
60°F 15°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-11 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-11 - Evening - Partly Cloudy
66°F 19°C
Partly Cloudy
Refreshing around 64°F 18°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Flat Lake Weather - 2026-09-12 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-12 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-12 - Evening - Overcast
65°F 19°C
Overcast
Mildly cool near 63°F 17°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the NE to the NNE at 9 mph 14 km/h.

Sunday, September 13, 2026

Mid-Morning
Flat Lake Weather - 2026-09-13 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-13 - Afternoon - Overcast
49°F 10°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-13 - Evening - Sunny
47°F 8°C
Sunny
Chilly near 49°F 10°C, overcast through the afternoon, turning sunny this evening, with increasing humidity and steady pressure. Winds switching from the NE to the E at 14 mph 23 km/h. Gusts up to 20 mph 32 km/h.

Monday, September 14, 2026

Mid-Morning
Flat Lake Weather - 2026-09-14 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-14 - Afternoon - Sunny
59°F 15°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-14 - Evening - Sunny
59°F 15°C
Sunny
Cool with a high near 59°F 15°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Flat Lake Weather - 2026-09-15 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-15 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-15 - Evening - Sunny
61°F 16°C
Sunny
Refreshing around 58°F 14°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Flat Lake Weather - 2026-09-16 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-16 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-16 - Evening - Sunny
67°F 20°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Flat Lake Weather - 2026-09-17 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-17 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-17 - Evening - Sunny
70°F 21°C
Sunny
Comfortable with temperatures reaching 69°F 21°C, sunny throughout the day, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Flat Lake Weather - 2026-09-18 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-18 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-18 - Evening - Overcast
76°F 24°C
Overcast
Enjoyable around 73°F 23°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Flat Lake Weather - 2026-09-19 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-19 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-19 - Evening - Scattered Showers
79°F 26°C
Scattered Showers
Mild temperatures up to 78°F 26°C, locally heavy downpours at times, with steady humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Flat Lake Weather - 2026-09-20 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-20 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-20 - Evening - Sunny
71°F 22°C
Sunny
Mild with a high of 71°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the S to the SW at 10 mph 17 km/h.

Monday, September 21, 2026

Mid-Morning
Flat Lake Weather - 2026-09-21 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-21 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-21 - Evening - Sunny
63°F 17°C
Sunny
Comfortable at 61°F 16°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the W to the WNW at 8 mph 12 km/h.

Tuesday, September 22, 2026

Mid-Morning
Flat Lake Weather - 2026-09-22 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-22 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-22 - Evening - Light Showers
58°F 15°C
Light Showers
Crisp with a high near 57°F 14°C, dry most of the day, with showers developing late, with steady humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Flat Lake Weather - 2026-09-23 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-23 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-23 - Evening - Sunny
50°F 10°C
Sunny
Brisk around 54°F 12°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds building from NNE at 10 mph 17 km/h to ENE at 18 mph 28 km/h. Gusts up to 29 mph 46 km/h.

Thursday, September 24, 2026

Mid-Morning
Flat Lake Weather - 2026-09-24 - Morning - Cloudy
46°F 8°C
Cloudy
Mid-Afternoon
Flat Lake Weather - 2026-09-24 - Afternoon - Cloudy
49°F 10°C
Cloudy
Early-Evening
Flat Lake Weather - 2026-09-24 - Evening - Sunny
52°F 12°C
Sunny
Cool and brisk at 49°F 10°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds E at 21 mph 33 km/h.

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Weather by the Numbers

Fri, 11th
Flat Lake WA Weather - Friday, Sep 11, 2026 - Overcast
Hi: 72°F 22°C
Lo: 49°F 9°C
Sunrise 06:26 AM
Sunset 07:14 PM
Wind E 4 mph6 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 20%
Sat, 12th
Flat Lake WA Weather - Saturday, Sep 12, 2026 - Cloudy
Hi: 69°F 21°C
Lo: 52°F 11°C
Sunrise 06:27 AM
Sunset 07:12 PM
Wind ENE 12 mph20 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 7% *
Humidity 32%
Sun, 13th
Flat Lake WA Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 67°F 19°C
Lo: 44°F 7°C
Sunrise 06:29 AM
Sunset 07:10 PM
Wind ESE 7 mph11 km/h
Dew Point 37°F3°C
uv Index 1
Barometric Pressure 29.85 in1011 mb
POP 15% *
Humidity 62%
Mon, 14th
Flat Lake WA Weather - Monday, Sep 14, 2026 - Sunny
Hi: 67°F 19°C
Lo: 41°F 5°C
Sunrise 06:30 AM
Sunset 07:08 PM
Wind SSW 4 mph6 km/h
Dew Point 35°F2°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 49%
Tue, 15th
Flat Lake WA Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 64°F 18°C
Lo: 47°F 8°C
Sunrise 06:31 AM
Sunset 07:06 PM
Wind ENE 6 mph10 km/h
Dew Point 36°F2°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 12% *
Humidity 53%
Wed, 16th
Flat Lake WA Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 69°F 20°C
Lo: 49°F 9°C
Sunrise 06:33 AM
Sunset 07:04 PM
Wind ENE 5 mph8 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 42%
Thu, 17th
Flat Lake WA Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 70°F 21°C
Lo: 59°F 15°C
Sunrise 06:34 AM
Sunset 07:02 PM
Wind ESE 5 mph8 km/h
Dew Point 27°F-3°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 0% *
Humidity 26%
Fri, 18th
Flat Lake WA Weather - Friday, Sep 18, 2026 - Cloudy
Hi: 77°F 25°C
Lo: 62°F 17°C
Sunrise 06:35 AM
Sunset 07:00 PM
Wind ENE 6 mph10 km/h
Dew Point 26°F-3°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 8% *
Humidity 22%
Sat, 19th
Flat Lake WA Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 80°F 26°C
Lo: 67°F 20°C
Sunrise 06:37 AM
Sunset 06:58 PM
Wind NE 4 mph7 km/h
Dew Point 28°F-3°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 5% *
Humidity 20%
Sun, 20th
Flat Lake WA Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 78°F 26°C
Lo: 55°F 13°C
Sunrise 06:38 AM
Sunset 06:56 PM
Wind SSW 8 mph13 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 40%
Mon, 21st
Flat Lake WA Weather - Monday, Sep 21, 2026 - Sunny
Hi: 65°F 18°C
Lo: 46°F 8°C
Sunrise 06:40 AM
Sunset 06:53 PM
Wind WNW 12 mph19 km/h
Dew Point 29°F-2°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 32%
Tue, 22nd
Flat Lake WA Weather - Tuesday, Sep 22, 2026 - Cloudy
Hi: 60°F 15°C
Lo: 48°F 9°C
Sunrise 06:41 AM
Sunset 06:51 PM
Wind NW 5 mph8 km/h
Dew Point 21°F-6°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 27%
Wed, 23rd
Flat Lake WA Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 55°F 13°C
Lo: 44°F 7°C
Sunrise 06:42 AM
Sunset 06:49 PM
Wind ENE 17 mph28 km/h
Dew Point 21°F-6°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 29%
Thu, 24th
Flat Lake WA Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 54°F 12°C
Lo: 44°F 7°C
Sunrise 06:44 AM
Sunset 06:47 PM
Wind ENE 20 mph33 km/h
Dew Point 6°F-15°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 6% *
Humidity 17%
* POP = Probability of Precipitation. Data for 12:00 PM.