What is the weather in Grand Mound right now?

Current weather in Grand Mound is overcast clouds.

Where can I find the hourly weather forecast for Grand Mound?

This page shows hourly weather forecast for Grand Mound, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Grand Mound updated regularly?

Weather data for Grand Mound is updated regularly with the latest available observations and forecasts.

Now · 4:27 PM

Grand Mound Weather & Hourly Forecast

United States · Washington · 98579

66°F

Overcast

Feels like: 66°F

💧 Humidity 78% 🌡 Pressure 29.83 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 0.7 · Low 🌅 Sunrise 6:32 AM 🌇 Sunset 7:52 PM

Hourly Forecast for Grand Mound

Today

5:00 PM

Overcast

66° 💧 None 💨 6 mph H 78%29.83 inHg

8:00 PM

Overcast night

66° 💧 None 💨 3 mph H 76%29.83 inHg

11:00 PM

Overcast night

63° 💧 None 💨 2 mph H 83%29.83 inHg

Tomorrow

2:00 AM

Overcast night

60° 💧 None 💨 3 mph H 88%29.80 inHg

5:00 AM

Mostly cloudy night

58° 💧 None 💨 5 mph H 96%29.77 inHg

8:00 AM

Overcast

58° 💧 None 💨 6 mph H 81%29.74 inHg

11:00 AM

Light rain

61° 💧 0.04 in 💨 11 mph H 62%29.74 inHg

2:00 PM

Moderate rain

58° 💧 0.05 in 💨 12 mph H 95%29.71 inHg

5:00 PM

Light rain

56° 💧 0.04 in 💨 8 mph H 93%29.71 inHg

8:00 PM

Light rain

59° 💧 0.02 in 💨 5 mph H 97%29.74 inHg

11:00 PM

Mostly cloudy night

55° 💧 None 💨 4 mph H 99%29.77 inHg

Thursday

2:00 AM

Mostly clear night

51° 💧 None 💨 4 mph H 98%29.77 inHg

5:00 AM

Mostly clear night

50° 💧 None 💨 3 mph H 98%29.77 inHg

8:00 AM

Partly cloudy

49° 💧 None 💨 3 mph H 97%29.80 inHg

11:00 AM

Partly cloudy

62° 💧 0.01 in 💨 7 mph H 61%29.80 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 43%29.77 inHg

Today

5:00 PM

Overcast

66° 💧 None 💨 6 mph H 78%29.83 inHg

6:00 PM

Overcast

66° 💧 None 💨 6 mph H 76%29.83 inHg

7:00 PM

Overcast

66° 💧 None 💨 4 mph H 74%29.83 inHg

8:00 PM

Overcast night

66° 💧 None 💨 3 mph H 76%29.83 inHg

9:00 PM

Overcast night

65° 💧 None 💨 2 mph H 77%29.83 inHg

10:00 PM

Overcast night

64° 💧 None 💨 3 mph H 79%29.83 inHg

11:00 PM

Overcast night

63° 💧 None 💨 2 mph H 83%29.83 inHg

Tomorrow

12:00 AM

Overcast night

62° 💧 None 💨 3 mph H 86%29.80 inHg

1:00 AM

Overcast night

61° 💧 None 💨 3 mph H 88%29.80 inHg

2:00 AM

Overcast night

60° 💧 None 💨 3 mph H 88%29.80 inHg

3:00 AM

Overcast night

60° 💧 None 💨 4 mph H 89%29.80 inHg

4:00 AM

Overcast night

59° 💧 None 💨 5 mph H 94%29.80 inHg

5:00 AM

Mostly cloudy night

58° 💧 None 💨 5 mph H 96%29.77 inHg

6:00 AM

Overcast night

57° 💧 None 💨 6 mph H 91%29.77 inHg

7:00 AM

Overcast

58° 💧 None 💨 7 mph H 85%29.77 inHg

8:00 AM

Overcast

58° 💧 None 💨 6 mph H 81%29.74 inHg

9:00 AM

Overcast

59° 💧 None 💨 8 mph H 71%29.74 inHg

10:00 AM

Overcast

60° 💧 None 💨 10 mph H 62%29.74 inHg

11:00 AM

Light rain

61° 💧 0.01 in 💨 11 mph H 62%29.74 inHg

12:00 PM

Light rain

62° 💧 0.01 in 💨 12 mph H 68%29.74 inHg

1:00 PM

Light rain

60° 💧 0.01 in 💨 11 mph H 85%29.71 inHg

2:00 PM

Moderate rain

58° 💧 0.04 in 💨 12 mph H 95%29.71 inHg

3:00 PM

Light rain

57° 💧 0.01 in 💨 13 mph H 93%29.68 inHg

4:00 PM

Overcast

56° 💧 None 💨 10 mph H 89%29.71 inHg

5:00 PM

Light rain

56° 💧 0.02 in 💨 8 mph H 93%29.71 inHg

6:00 PM

Light rain

57° 💧 0.01 in 💨 7 mph H 96%29.71 inHg

7:00 PM

Light rain

59° 💧 0.01 in 💨 6 mph H 95%29.71 inHg

8:00 PM

Light rain

59° 💧 0.01 in 💨 5 mph H 97%29.74 inHg

9:00 PM

Light rain

58° 💧 0.01 in 💨 4 mph H 98%29.74 inHg

10:00 PM

Mostly cloudy night

57° 💧 None 💨 4 mph H 99%29.77 inHg

11:00 PM

Mostly cloudy night

55° 💧 None 💨 4 mph H 99%29.77 inHg

Thursday

12:00 AM

Partly cloudy night

54° 💧 None 💨 3 mph H 99%29.77 inHg

1:00 AM

Mostly clear night

53° 💧 None 💨 4 mph H 98%29.77 inHg

2:00 AM

Mostly clear night

51° 💧 None 💨 4 mph H 98%29.77 inHg

3:00 AM

Mostly clear night

52° 💧 None 💨 3 mph H 98%29.77 inHg

4:00 AM

Mostly clear night

51° 💧 None 💨 3 mph H 98%29.77 inHg

5:00 AM

Mostly clear night

50° 💧 None 💨 3 mph H 98%29.77 inHg

6:00 AM

Partly cloudy night

46° 💧 None 💨 3 mph H 98%29.77 inHg

7:00 AM

Mostly cloudy

46° 💧 None 💨 2 mph H 98%29.80 inHg

8:00 AM

Partly cloudy

49° 💧 None 💨 3 mph H 97%29.80 inHg

9:00 AM

Partly cloudy

53° 💧 None 💨 5 mph H 93%29.83 inHg

10:00 AM

Partly cloudy

57° 💧 None 💨 6 mph H 83%29.83 inHg

11:00 AM

Partly cloudy

62° 💧 None 💨 7 mph H 61%29.80 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 7 mph H 52%29.80 inHg

1:00 PM

Light rain

68° 💧 0.01 in 💨 6 mph H 46%29.80 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 43%29.77 inHg

3:00 PM

Mostly cloudy

67° 💧 None 💨 5 mph H 45%29.77 inHg

4:00 PM

Mostly cloudy

69° 💧 None 💨 3 mph H 41%29.77 inHg

5:00 PM

Light rain

64° 💧 0.01 in 💨 6 mph H 62%29.80 inHg

6:00 PM

Light rain

57° 💧 0.01 in 💨 5 mph H 91%29.83 inHg

7:00 PM

Light rain

55° 💧 0.00 in 💨 3 mph H 94%29.83 inHg

8:00 PM

Overcast night

54° 💧 None 💨 3 mph H 95%29.83 inHg

9:00 PM

Overcast night

53° 💧 None 💨 3 mph H 95%29.85 inHg

10:00 PM

Overcast night

52° 💧 None 💨 3 mph H 96%29.85 inHg

11:00 PM

Overcast night

52° 💧 None 💨 1 mph H 96%29.85 inHg

Friday

12:00 AM

Overcast night

51° 💧 None 💨 1 mph H 96%29.85 inHg

1:00 AM

Overcast night

51° 💧 None 💨 1 mph H 97%29.85 inHg

2:00 AM

Overcast night

51° 💧 None 💨 1 mph H 97%29.85 inHg

3:00 AM

Overcast night

51° 💧 None 💨 1 mph H 96%29.85 inHg

4:00 AM

Overcast night

51° 💧 None 💨 2 mph H 96%29.85 inHg

5:00 AM

Overcast night

52° 💧 None 💨 1 mph H 96%29.88 inHg

6:00 AM

Overcast night

52° 💧 None 💨 1 mph H 96%29.88 inHg

7:00 AM

Overcast

52° 💧 None 💨 1 mph H 96%29.91 inHg

8:00 AM

Overcast

52° 💧 None 💨 1 mph H 96%29.91 inHg

9:00 AM

Overcast

53° 💧 None 💨 1 mph H 94%29.94 inHg

10:00 AM

Overcast

56° 💧 None 💨 1 mph H 86%29.94 inHg

11:00 AM

Overcast

59° 💧 None 💨 1 mph H 77%29.94 inHg

12:00 PM

Overcast

65° 💧 None 💨 2 mph H 62%29.94 inHg

1:00 PM

Light rain

67° 💧 0.01 in 💨 2 mph H 58%29.94 inHg

2:00 PM

Light rain

65° 💧 0.02 in 💨 3 mph H 66%29.94 inHg

3:00 PM

Light rain

66° 💧 0.02 in 💨 3 mph H 66%29.94 inHg

4:00 PM

Light rain

66° 💧 0.02 in 💨 3 mph H 66%29.94 inHg

5:00 PM

Light rain

65° 💧 0.02 in 💨 3 mph H 69%29.94 inHg

6:00 PM

Light rain

64° 💧 0.01 in 💨 3 mph H 73%29.94 inHg

7:00 PM

Light rain

60° 💧 0.02 in 💨 2 mph H 86%29.97 inHg

8:00 PM

Moderate rain

55° 💧 0.05 in 💨 1 mph H 94%29.97 inHg

9:00 PM

Light rain

53° 💧 0.02 in 💨 1 mph H 96%30.00 inHg

10:00 PM

Partly cloudy night

52° 💧 None 💨 1 mph H 96%30.00 inHg

11:00 PM

Partly cloudy night

51° 💧 None 💨 1 mph H 97%30.00 inHg

Saturday

12:00 AM

Partly cloudy night

51° 💧 None 💨 1 mph H 97%30.00 inHg

1:00 AM

Partly cloudy night

50° 💧 None 💨 1 mph H 97%30.00 inHg

2:00 AM

Partly cloudy night

50° 💧 None 💨 2 mph H 98%30.03 inHg

3:00 AM

Partly cloudy night

49° 💧 None 💨 2 mph H 98%30.03 inHg

4:00 AM

Partly cloudy night

48° 💧 None 💨 2 mph H 98%30.03 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 2 mph H 98%30.03 inHg

6:00 AM

Mostly clear night

48° 💧 None 💨 3 mph H 98%30.03 inHg

7:00 AM

Partly cloudy

47° 💧 None 💨 3 mph H 98%30.03 inHg

8:00 AM

Mostly sunny

50° 💧 None 💨 2 mph H 97%30.03 inHg

9:00 AM

Mostly sunny

54° 💧 None 💨 4 mph H 93%30.03 inHg

10:00 AM

Mostly sunny

58° 💧 None 💨 5 mph H 83%30.03 inHg

11:00 AM

Partly cloudy

63° 💧 None 💨 6 mph H 64%30.00 inHg

12:00 PM

Overcast

68° 💧 None 💨 5 mph H 53%30.00 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 4 mph H 45%29.97 inHg

2:00 PM

Mostly cloudy

75° 💧 None 💨 3 mph H 40%29.94 inHg

3:00 PM

Overcast

75° 💧 None 💨 4 mph H 39%29.94 inHg

4:00 PM

Overcast

71° 💧 None 💨 1 mph H 48%29.94 inHg

In Grand Mound and, more broadly, across the state of Washington: As the afternoon progresses into the evening, mostly cloudy skies will persist with mild temperatures ranging from 51 to 71 degrees Fahrenheit. Light westerly winds at around 7 mph with occasional gusts up to 10 mph will be present. Rain may occur, with an approximate accumulation of 0.06 inches, and there's a high likelihood of precipitation. Conditions will remain relatively calm, but the possibility of brief rain showers could impact outdoor plans in the evening. Temperatures are expected to stay mild overnight, gradually cooling as the night advances.

15-Day Weather Outlook for Grand Mound

TomorrowTomorrow

Moderate rain 62°/55° 💧 0.15 in 💨 13 mph

Thursday, Sep 3Thu Sep 3

Light rain 69°/46° 💧 0.03 in 💨 7 mph

Friday, Sep 4Fri Sep 4

Light rain 67°/51° 💧 0.19 in 💨 3 mph

Saturday, Sep 5Sat Sep 5

Mostly cloudy 75°/48° 💧 None 💨 6 mph

Sunday, Sep 6Sun Sep 6

Sunny 83°/49° 💧 None 💨 8 mph

Monday, Sep 7Mon Sep 7

Partly cloudy 84°/53° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Overcast 64°/53° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Light rain 70°/51° 💧 0.03 in 💨 8 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 71°/47° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Light rain 71°/54° 💧 0.00 in 💨 4 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 80°/50° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Sunny 87°/51° 💧 None 💨 6 mph

Monday, Sep 14Mon Sep 14

Overcast 81°/54° 💧 None 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 80°/50° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Light rain 80°/53° 💧 0.04 in 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grand Mound

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grand Mound

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 2,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 60,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Grand Mound

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 2,2Low 🙂Fair

Tomorrow UV 2,7Low 🙂Fair

Thursday UV 4,5Moderate 🙂Fair

Friday UV 4,1Moderate 😊Good

Saturday UV 4,8Moderate 🙂Fair

Sunday UV 7,0High —Unavailable

Monday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 0,3 6:00 PMUV 0,2 7:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Grand Mound

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.87 Population: 3,287

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Forecast data for Grand Mound were last refreshed today at 4:27 PM. The current forecast period extends through 03/09/2026 at 2:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.