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Rainier, WA Weather - 14-Day Weather Forecast

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Rainier WA Weather - Clear - 55°F
Clear
55°F
Updated 12:46 am
Feels Like 56°F
Humidity 83%
Wind N 0 mph
Barometer  30.24 in
Dew Point 50°F
Rainier WA Weather - Clear - 13°C
Clear
13°C
Updated 12:46 am
Feels Like 13°C
Humidity 83%
Wind N 0 km/h
Barometer  102.4 kPa
Dew Point 10°C
Rainier, WA Weather and Current Conditionsrainier wa weather forecast

Rainier, WA Weather Forecast

Rainier Washington WeatherRainier, Washington Weather Weather Forecast
Here is the API 14 day weather forecast for Rainier, Washington. Note: The 7-day weather forecast for Rainier, WA is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
Rainier, WA Weather Forecast Dated: 1246 AM Wed Sep 09 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Wednesday, September 9, 2026

Mid-Morning
Rainier Weather - 2026-09-09 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Rainier Weather - 2026-09-09 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Rainier Weather - 2026-09-09 - Evening - Overcast
71°F 22°C
Overcast
Warm and summery near 80°F 27°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Rainier Weather - 2026-09-10 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
Rainier Weather - 2026-09-10 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Rainier Weather - 2026-09-10 - Evening - Sunny
61°F 16°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the SW to the SSW at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Rainier Weather - 2026-09-11 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Rainier Weather - 2026-09-11 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Rainier Weather - 2026-09-11 - Evening - Overcast
61°F 16°C
Overcast
Comfortable at 64°F 18°C, overcast throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Rainier Weather - 2026-09-12 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Rainier Weather - 2026-09-12 - Afternoon - Nearby Thunderstorms
70°F 21°C
Nearby Thunderstorms
Early-Evening
Rainier Weather - 2026-09-12 - Evening - Light Showers
56°F 14°C
Light Showers
Mild temperatures up to 70°F 21°C, periods of heavy thunderstorms, with increasing humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Rainier Weather - 2026-09-13 - Morning - Cloudy
55°F 13°C
Cloudy
Mid-Afternoon
Rainier Weather - 2026-09-13 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Rainier Weather - 2026-09-13 - Evening - Sunny
65°F 19°C
Sunny
Mild with a high of 73°F 23°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Rainier Weather - 2026-09-14 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Rainier Weather - 2026-09-14 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Rainier Weather - 2026-09-14 - Evening - Sunny
68°F 20°C
Sunny
Pleasant near 78°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Tuesday, September 15, 2026

Mid-Morning
Rainier Weather - 2026-09-15 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Rainier Weather - 2026-09-15 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Rainier Weather - 2026-09-15 - Evening - Overcast
61°F 16°C
Overcast
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SW to the SSW at 7 mph 11 km/h.

Wednesday, September 16, 2026

Mid-Morning
Rainier Weather - 2026-09-16 - Morning - Nearby Thunderstorms
54°F 12°C
Nearby Thunderstorms
Mid-Afternoon
Rainier Weather - 2026-09-16 - Afternoon - Light Showers
58°F 14°C
Light Showers
Early-Evening
Rainier Weather - 2026-09-16 - Evening - Light Showers
55°F 13°C
Light Showers
Cool with a high near 58°F 14°C, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds moving from the SSW to the E at 4 mph 6 km/h.

Thursday, September 17, 2026

Mid-Morning
Rainier Weather - 2026-09-17 - Morning - Scattered Showers
52°F 11°C
Scattered Showers
Mid-Afternoon
Rainier Weather - 2026-09-17 - Afternoon - Light Showers
61°F 16°C
Light Showers
Early-Evening
Rainier Weather - 2026-09-17 - Evening - Heavy Rain Showers
53°F 12°C
Heavy Rain Showers
Refreshing around 61°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Rainier Weather - 2026-09-18 - Morning - Scattered Showers
49°F 9°C
Scattered Showers
Mid-Afternoon
Rainier Weather - 2026-09-18 - Afternoon - Light Showers
58°F 15°C
Light Showers
Early-Evening
Rainier Weather - 2026-09-18 - Evening - Light Fog
55°F 13°C
Light Fog
Mildly cool near 58°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Saturday, September 19, 2026

Mid-Morning
Rainier Weather - 2026-09-19 - Morning - Light Fog
49°F 10°C
Light Fog
Mid-Afternoon
Rainier Weather - 2026-09-19 - Afternoon - Overcast
51°F 11°C
Overcast
Early-Evening
Rainier Weather - 2026-09-19 - Evening - Light Fog
53°F 11°C
Light Fog
Chilly near 51°F 11°C, overcast throughout the day, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Rainier Weather - 2026-09-20 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Rainier Weather - 2026-09-20 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Rainier Weather - 2026-09-20 - Evening - Overcast
58°F 15°C
Overcast
Cool with a high near 64°F 18°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.

Monday, September 21, 2026

Mid-Morning
Rainier Weather - 2026-09-21 - Morning - Partly Cloudy
54°F 12°C
Partly Cloudy
Mid-Afternoon
Rainier Weather - 2026-09-21 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Rainier Weather - 2026-09-21 - Evening - Overcast
62°F 17°C
Overcast
Enjoyable around 70°F 21°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Rainier Weather - 2026-09-22 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Rainier Weather - 2026-09-22 - Afternoon - Scattered Showers
61°F 16°C
Scattered Showers
Early-Evening
Rainier Weather - 2026-09-22 - Evening - Light Fog
58°F 14°C
Light Fog
Mildly cool near 61°F 16°C, scattered downpours possible, with steady humidity and barometric pressure rising.

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Weather by the Numbers

Wed, 9th
Rainier WA Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 80°F 27°C
Lo: 51°F 10°C
Sunrise 06:41 AM
Sunset 07:34 PM
Wind NNE 4 mph6 km/h
Dew Point 49°F9°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 10% *
Humidity 40%
Thu, 10th
Rainier WA Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 72°F 22°C
Lo: 51°F 11°C
Sunrise 06:42 AM
Sunset 07:32 PM
Wind WSW 9 mph15 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 39%
Fri, 11th
Rainier WA Weather - Friday, Sep 11, 2026 - Overcast
Hi: 64°F 18°C
Lo: 51°F 11°C
Sunrise 06:43 AM
Sunset 07:30 PM
Wind WSW 4 mph7 km/h
Dew Point 46°F8°C
uv Index 2
Barometric Pressure 30 in1016 mb
POP 14% *
Humidity 59%
Sat, 12th
Rainier WA Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 70°F 21°C
Lo: 52°F 11°C
Sunrise 06:45 AM
Sunset 07:28 PM
Wind NNE 5 mph8 km/h
Dew Point 48°F9°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 12% *
Humidity 53%
Sun, 13th
Rainier WA Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 75°F 24°C
Lo: 51°F 10°C
Sunrise 06:46 AM
Sunset 07:26 PM
Wind SW 5 mph8 km/h
Dew Point 49°F10°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 7% *
Humidity 60%
Mon, 14th
Rainier WA Weather - Monday, Sep 14, 2026 - Sunny
Hi: 79°F 26°C
Lo: 50°F 10°C
Sunrise 06:47 AM
Sunset 07:24 PM
Wind NNE 4 mph7 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 43%
Tue, 15th
Rainier WA Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 73°F 23°C
Lo: 50°F 10°C
Sunrise 06:49 AM
Sunset 07:22 PM
Wind WSW 6 mph10 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 3% *
Humidity 36%
Wed, 16th
Rainier WA Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 59°F 15°C
Lo: 52°F 11°C
Sunrise 06:50 AM
Sunset 07:20 PM
Wind S 12 mph19 km/h
Dew Point 49°F10°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 22% *
Humidity 71%
Thu, 17th
Rainier WA Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 64°F 18°C
Lo: 50°F 10°C
Sunrise 06:51 AM
Sunset 07:18 PM
Wind NE 5 mph8 km/h
Dew Point 47°F9°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 26% *
Humidity 68%
Fri, 18th
Rainier WA Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 48°F 9°C
Sunrise 06:53 AM
Sunset 07:16 PM
Wind S 3 mph5 km/h
Dew Point 48°F9°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 26% *
Humidity 84%
Sat, 19th
Rainier WA Weather - Saturday, Sep 19, 2026 - Mist
Hi: 53°F 12°C
Lo: 49°F 9°C
Sunrise 06:54 AM
Sunset 07:14 PM
Wind SSE 2 mph4 km/h
Dew Point 49°F10°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 49% *
Humidity 95%
Sun, 20th
Rainier WA Weather - Sunday, Sep 20, 2026 - Cloudy
Hi: 65°F 18°C
Lo: 47°F 8°C
Sunrise 06:55 AM
Sunset 07:12 PM
Wind SW 3 mph5 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 4% *
Humidity 51%
Mon, 21st
Rainier WA Weather - Monday, Sep 21, 2026 - Overcast
Hi: 70°F 21°C
Lo: 49°F 10°C
Sunrise 06:56 AM
Sunset 07:10 PM
Wind ENE 1 mph1 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 5% *
Humidity 46%
Tue, 22nd
Rainier WA Weather - Tuesday, Sep 22, 2026 - Light Rain Shower
Hi: 61°F 16°C
Lo: 50°F 10°C
Sunrise 06:58 AM
Sunset 07:08 PM
Wind S 2 mph3 km/h
Dew Point 54°F12°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 55% *
Humidity 93%
* POP = Probability of Precipitation. Data for 12:00 PM.