Simpson Lake, WA 14 Day Weather

Feedback E-mail the Weather

Quick Weather Clicks

Simpson Lake, WA Weather - 14-Day Weather Forecast

Current Conditions

Settings
Simpson Lake WA Weather - Light Showers
Light Showers
50°F
Updated 1:40 pm
Feels Like 46°F
Humidity 79%
Wind S 8 mph
Barometer  29.8 in
Visibility 6 mi
Simpson Lake WA Weather - Light Showers
Light Showers
10°C
Updated 1:40 pm
Feels Like 8°C
Humidity 79%
Wind S 13 km/h
Barometer  1009 mb
Visibility 10 km
Simpson Lake, WA Weather and Current Conditionssimpson lake wa weather forecast

Simpson Lake, WA Weather Forecast

Simpson Lake Washington WeatherSimpson Lake, Washington Weather Weather Forecast
14 day API forecast for Simpson Lake. Note. The 7-day Simpson Lake weather forecast 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.
Simpson Lake, WA Weather Forecast Dated: 140 PM Fri Sep 25 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 25, 2026

Mid-Morning
Simpson Lake Weather - 2026-09-25 - Morning - Light Rain
48°F 9°C
Light Rain
Mid-Afternoon
Simpson Lake Weather - 2026-09-25 - Afternoon - Light Showers
54°F 12°C
Light Showers
Early-Evening
Simpson Lake Weather - 2026-09-25 - Evening - Partly Cloudy
52°F 11°C
Partly Cloudy
Brisk around 54°F 12°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure. Winds out of the S at 12 mph 19 km/h.

Saturday, September 26, 2026

Mid-Morning
Simpson Lake Weather - 2026-09-26 - Morning - Cloudy
42°F 5°C
Cloudy
Mid-Afternoon
Simpson Lake Weather - 2026-09-26 - Afternoon - Cloudy
55°F 13°C
Cloudy
Early-Evening
Simpson Lake Weather - 2026-09-26 - Evening - Cloudy
51°F 11°C
Cloudy
Cool and brisk at 55°F 13°C, overcast throughout the day, with steady humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Simpson Lake Weather - 2026-09-27 - Morning - Overcast
44°F 6°C
Overcast
Mid-Afternoon
Simpson Lake Weather - 2026-09-27 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Simpson Lake Weather - 2026-09-27 - Evening - Sunny
55°F 13°C
Sunny
Comfortable at 61°F 16°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.

Monday, September 28, 2026

Mid-Morning
Simpson Lake Weather - 2026-09-28 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Simpson Lake Weather - 2026-09-28 - Afternoon - Cloudy
61°F 16°C
Cloudy
Early-Evening
Simpson Lake Weather - 2026-09-28 - Evening - Partly Cloudy
56°F 13°C
Partly Cloudy
Cool with a high near 61°F 16°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
Simpson Lake Weather - 2026-09-29 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
Simpson Lake Weather - 2026-09-29 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Simpson Lake Weather - 2026-09-29 - Evening - Overcast
57°F 14°C
Overcast
Refreshing around 61°F 16°C, overcast throughout the day, with increasing humidity and steady pressure. Winds switching from the ESE to the SSW at 5 mph 7 km/h.

Wednesday, September 30, 2026

Mid-Morning
Simpson Lake Weather - 2026-09-30 - Morning - Sunny
48°F 9°C
Sunny
Mid-Afternoon
Simpson Lake Weather - 2026-09-30 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
Simpson Lake Weather - 2026-09-30 - Evening - Overcast
54°F 12°C
Overcast
Mildly cool near 58°F 14°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Thursday, October 1, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-01 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Simpson Lake Weather - 2026-10-01 - Afternoon - Partly Cloudy
55°F 13°C
Partly Cloudy
Early-Evening
Simpson Lake Weather - 2026-10-01 - Evening - Sunny
49°F 10°C
Sunny
Chilly near 55°F 13°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-02 - Morning - Scattered Showers
41°F 5°C
Scattered Showers
Mid-Afternoon
Simpson Lake Weather - 2026-10-02 - Afternoon - Nearby Thunderstorms
53°F 11°C
Nearby Thunderstorms
Early-Evening
Simpson Lake Weather - 2026-10-02 - Evening - Cloudy
47°F 9°C
Cloudy
Crisp with a high near 53°F 11°C, scattered downpours possible, with lower humidity and steady pressure.

Saturday, October 3, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-03 - Morning - Sunny
40°F 4°C
Sunny
Mid-Afternoon
Simpson Lake Weather - 2026-10-03 - Afternoon - Sunny
53°F 12°C
Sunny
Early-Evening
Simpson Lake Weather - 2026-10-03 - Evening - Sunny
49°F 10°C
Sunny
Brisk around 53°F 12°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NNE to the WSW at 5 mph 8 km/h.

Sunday, October 4, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-04 - Morning - Sunny
42°F 6°C
Sunny
Mid-Afternoon
Simpson Lake Weather - 2026-10-04 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Simpson Lake Weather - 2026-10-04 - Evening - Sunny
51°F 11°C
Sunny
Cool and brisk at 57°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Monday, October 5, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-05 - Morning - Cloudy
43°F 6°C
Cloudy
Mid-Afternoon
Simpson Lake Weather - 2026-10-05 - Afternoon - Overcast
58°F 15°C
Overcast
Early-Evening
Simpson Lake Weather - 2026-10-05 - Evening - Overcast
53°F 12°C
Overcast
Comfortable at 58°F 15°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.

Tuesday, October 6, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-06 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Simpson Lake Weather - 2026-10-06 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Simpson Lake Weather - 2026-10-06 - Evening - Sunny
58°F 14°C
Sunny
Cool with a high near 64°F 18°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.

Wednesday, October 7, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-07 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Simpson Lake Weather - 2026-10-07 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Simpson Lake Weather - 2026-10-07 - Evening - Sunny
63°F 17°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Thursday, October 8, 2026

Mid-Morning
Simpson Lake Weather - 2026-10-08 - Morning - Overcast
56°F 14°C
Overcast
Mid-Afternoon
Simpson Lake Weather - 2026-10-08 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Simpson Lake Weather - 2026-10-08 - Evening - Cloudy
63°F 17°C
Cloudy
Mild temperatures up to 71°F 22°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling.

Trending Headlines

Simpson Lake, WA Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

Simpson Lake, WA 7 Day Weather

National Two Day Weather Forecast


E-mail the Simpson Lake Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Fri, 25th
Simpson Lake WA Weather - Friday, Sep 25, 2026 - Light Rain Shower
Hi: 59°F 15°C
Lo: 46°F 8°C
Sunrise 06:44 AM
Sunset 06:44 PM
Wind S 9 mph15 km/h
Dew Point 44°F7°C
uv Index 2
Barometric Pressure 29.8 in1009 mb
POP 66% *
Humidity 78%
Sat, 26th
Simpson Lake WA Weather - Saturday, Sep 26, 2026 - Patchy Rain Nearby
Hi: 56°F 13°C
Lo: 38°F 4°C
Sunrise 06:45 AM
Sunset 06:42 PM
Wind S 3 mph4 km/h
Dew Point 31°F-0°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 43%
Sun, 27th
Simpson Lake WA Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 61°F 16°C
Lo: 41°F 5°C
Sunrise 06:46 AM
Sunset 06:39 PM
Wind NE 3 mph4 km/h
Dew Point 30°F-1°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 36%
Mon, 28th
Simpson Lake WA Weather - Monday, Sep 28, 2026 - Sunny
Hi: 61°F 16°C
Lo: 43°F 6°C
Sunrise 06:48 AM
Sunset 06:37 PM
Wind SSW 4 mph6 km/h
Dew Point 26°F-3°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 30%
Tue, 29th
Simpson Lake WA Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 62°F 17°C
Lo: 44°F 7°C
Sunrise 06:49 AM
Sunset 06:35 PM
Wind SSW 4 mph7 km/h
Dew Point 35°F2°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 11% *
Humidity 45%
Wed, 30th
Simpson Lake WA Weather - Wednesday, Sep 30, 2026 - Thundery Outbreaks In Nearby
Hi: 58°F 14°C
Lo: 44°F 7°C
Sunrise 06:51 AM
Sunset 06:33 PM
Wind SE 2 mph4 km/h
Dew Point 38°F4°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 5% *
Humidity 50%
Thu, 1st
Simpson Lake WA Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 56°F 13°C
Lo: 41°F 5°C
Sunrise 06:52 AM
Sunset 06:31 PM
Wind S 4 mph6 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 33%
Fri, 2nd
Simpson Lake WA Weather - Friday, Oct 2, 2026 - Thundery Outbreaks In Nearby
Hi: 53°F 12°C
Lo: 39°F 4°C
Sunrise 06:54 AM
Sunset 06:29 PM
Wind SSE 2 mph3 km/h
Dew Point 30°F-1°C
uv Index 2
Barometric Pressure 29.94 in1014 mb
POP 11% *
Humidity 50%
Sat, 3rd
Simpson Lake WA Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 53°F 12°C
Lo: 36°F 2°C
Sunrise 06:55 AM
Sunset 06:27 PM
Wind NE 6 mph10 km/h
Dew Point 27°F-3°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 1% *
Humidity 43%
Sun, 4th
Simpson Lake WA Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 57°F 14°C
Lo: 37°F 3°C
Sunrise 06:57 AM
Sunset 06:25 PM
Wind NE 4 mph7 km/h
Dew Point 23°F-5°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 1% *
Humidity 32%
Mon, 5th
Simpson Lake WA Weather - Monday, Oct 5, 2026 - Sunny
Hi: 60°F 15°C
Lo: 38°F 4°C
Sunrise 06:58 AM
Sunset 06:23 PM
Wind ESE 2 mph4 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 33%
Tue, 6th
Simpson Lake WA Weather - Tuesday, Oct 6, 2026 - Overcast
Hi: 65°F 18°C
Lo: 45°F 7°C
Sunrise 06:59 AM
Sunset 06:21 PM
Wind SE 1 mph2 km/h
Dew Point 25°F-4°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 27%
Wed, 7th
Simpson Lake WA Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 72°F 22°C
Lo: 46°F 8°C
Sunrise 07:01 AM
Sunset 06:19 PM
Wind NE 3 mph5 km/h
Dew Point 27°F-3°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 25%
Thu, 8th
Simpson Lake WA Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 72°F 22°C
Lo: 50°F 10°C
Sunrise 07:02 AM
Sunset 06:17 PM
Wind ESE 2 mph4 km/h
Dew Point 28°F-2°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 4% *
Humidity 23%
* POP = Probability of Precipitation. Data for 12:00 PM.