GRAND MOUND, WA 98531 Weather Forecast & Current Conditions

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OLYMPIA, WA
Current Weather

8:54 PM PDT JUL 16, 2025
Clear
75°F
Feels Like: 75°F
Dewpoint: 45°F
Rel. Hum.: 34%
Visibility: 10 miles
Wind: SW at 5 mph
Pressure: 29.77 inches
Last 72 hours

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GRAND MOUND, WA 98531
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Cloudy. A slight chance of rain in the morning, then a chance of rain in the late morning and early afternoon. Rain likely late in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the upper 40s to mid 50s. Southeast wind to 10 mph increasing to 10 to 15 mph in the afternoon. Gusts to 30 mph.
TONIGHT
Rain. Rainfall amounts a quarter to a half inch possible. Lows near 40. South wind 10 to 20 mph with gusts to 30 mph.
THURSDAY
Rain at times. Rainfall amounts a quarter to a half inch possible. Highs in the mid 40s to lower 50s. South wind 10 to 15 mph with gusts to 30 mph.
THURSDAY NIGHT
Rain. Rainfall amounts a half inch to one inch possible. Lows in the lower to mid 40s. South wind 10 to 20 mph. Gusts to 30 mph increasing to 40 mph after midnight.
FRIDAY
Rain. Rainfall amounts a quarter to a half inch possible. Highs near 50. South wind 10 to 15 mph becoming southwest in the afternoon. Gusts to 30 mph.
FRIDAY NIGHT
Rain showers in the evening, then rain showers likely after midnight. Lows in the upper 30s.
SATURDAY
Rain showers likely in the morning, then rain at times in the afternoon. Highs in the lower to mid 50s.
SATURDAY NIGHT
Rain likely in the evening, then rain at times after midnight. Lows in the lower to mid 40s.
SUNDAY
Rain at times. Highs in the mid 50s.
SUNDAY NIGHT
Cloudy with rain at times in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the mid to upper 40s.
MONDAY
Mostly cloudy with a chance of rain. Highs in the mid 60s.
MONDAY NIGHT
Mostly cloudy. A slight chance of rain in the evening. Lows in the mid to upper 40s.
TUESDAY
Partly sunny. Highs near 70.

Visible Weather Satellite
GRAND MOUND, WA 98531
Infrared Weather Satellite
GRAND MOUND, WA 98531
NEXRAD Weather Radar
GRAND MOUND, WA 98531

OLYMPIA, WA 3 hourly weather forecast

weather forecast created  6:00 AM MDT  7/16/2025
Wednesday
16 JUL 2025
GRAND MOUND, WA 98531 weather forecast Day 1, 12 hours 11 AM 82° 81° Clear 0%

0% Thunder
( 0% severe)
SW   1 37% 53°
High 92° GRAND MOUND, WA 98531 weather forecast Day 1, 15 hours 2 PM 90° 87° Clear W   6 26% 51°
Clear



GRAND MOUND, WA 98531 weather forecast Day 1, 18 hours 5 PM 91° 88° Clear 0%

0% Thunder
( 0% severe)
W   9 25% 50°
GRAND MOUND, WA 98531 weather forecast Day 1, 21 hours 8 PM 82° 81° Clear WSW   7 33% 50°
Thursday
17 JUL 2025
GRAND MOUND, WA 98531 weather forecast Day 2, 0 hours 11 PM 65° 65° Clear 0%

0% Thunder
( 0% severe)
SSW   5 60% 51°
Low 51° GRAND MOUND, WA 98531 weather forecast Day 2, 3 hours 2 AM 57° 57° Clear SSW   3 80% 51°
High 87° GRAND MOUND, WA 98531 weather forecast Day 2, 6 hours 5 AM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 90% 50°

Partly Cloudy



GRAND MOUND, WA 98531 weather forecast Day 2, 9 hours 8 AM 59° 60° Partly Cloudy SSW   1 78% 52°
GRAND MOUND, WA 98531 weather forecast Day 2, 12 hours 11 AM 71° 71° Clear 0%

0% Thunder
( 0% severe)
SW   2 53% 53°
GRAND MOUND, WA 98531 weather forecast Day 2, 15 hours 2 PM 81° 80° Clear NNW   5 38% 53°
GRAND MOUND, WA 98531 weather forecast Day 2, 18 hours 5 PM 87° 85° Clear 0%

0% Thunder
( 0% severe)
NNW   7 30% 52°
GRAND MOUND, WA 98531 weather forecast Day 2, 21 hours 8 PM 80° 80° Clear WNW   7 41% 54°
Friday
18 JUL 2025
GRAND MOUND, WA 98531 weather forecast Day 3, 0 hours 11 PM 66° 66° Clear 0%

0% Thunder
( 0% severe)
WSW   3 65% 54°
Low 53° GRAND MOUND, WA 98531 weather forecast Day 3, 3 hours 2 AM 59° 60° Clear SW   3 80% 53°
High 78° GRAND MOUND, WA 98531 weather forecast Day 3, 6 hours 5 AM 55° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 90% 52°

Partly Cloudy



GRAND MOUND, WA 98531 weather forecast Day 3, 9 hours 8 AM 61° 61° Partly Cloudy SW   6 75% 53°
GRAND MOUND, WA 98531 weather forecast Day 3, 15 hours 11 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   8 59% 54°
GRAND MOUND, WA 98531 weather forecast Day 3, 18 hours 2 PM 75° 75° Partly Cloudy WSW   12 46% 53°
GRAND MOUND, WA 98531 weather forecast Day 3, 21 hours 5 PM 75° 75° Partly Cloudy     WSW   13 43% 51°

OLYMPIA, WA extended weather forecast

Saturday
19 JUL 2025
Sunday
20 JUL 2025
Monday
21 JUL 2025
Tuesday
22 JUL 2025
Wednesday
23 JUL 2025
Low 53° Low 56° Low 55° Low 54° Low 55°
High 70° High 72° High 76° High 78° High 82°
GRAND MOUND, WA 98531 weather forecast Day 4 GRAND MOUND, WA 98531 weather forecast Day 5 GRAND MOUND, WA 98531 weather forecast Day 6 GRAND MOUND, WA 98531 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
13% Rain
Overcast
37% Rain
Overcast
42% Rain
Overcast
28% Rain
Partly Cloudy
20% Rain
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