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Now · 6:23 PM

Martha Lake Weather & Hourly Forecast

United States · Washington · 98012

Mostly cloudy
72°F
Mostly cloudy
Feels like: 70°F
💧 Humidity 54% 🌡 Pressure 30.15 inHg 💨 Wind 7 mph 👁 Visibility 22.2 mi Clouds 84% ☀️ UV index 0.4 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Martha Lake

Today
Mostly cloudy · 7:00 PM Mostly cloudy
68° 💧 None 💨 5 mph H 60%30.12 inHg
Overcast night · 10:00 PM Overcast night
62° 💧 None 💨 4 mph H 71%30.12 inHg
Tomorrow
Mostly cloudy night · 1:00 AM Mostly cloudy night
59° 💧 None 💨 6 mph H 79%30.09 inHg
Mostly clear night · 4:00 AM Mostly clear night
57° 💧 None 💨 4 mph H 87%30.06 inHg
Partly cloudy · 7:00 AM Partly cloudy
55° 💧 0.000 in 💨 7 mph H 91%30.06 inHg
Overcast · 10:00 AM Overcast
61° 💧 0.001 in 💨 6 mph H 78%30.06 inHg
Overcast · 1:00 PM Overcast
66° 💧 0.000 in 💨 4 mph H 65%30.03 inHg
Mostly cloudy · 4:00 PM Mostly cloudy
68° 💧 None 💨 3 mph H 57%29.97 inHg
Mostly cloudy · 7:00 PM Mostly cloudy
65° 💧 0.000 in 💨 2 mph H 61%29.94 inHg
Light rain · 10:00 PM Light rain
60° 💧 0.015 in 💨 6 mph H 74%29.97 inHg
Friday
Overcast night · 1:00 AM Overcast night
58° 💧 0.002 in 💨 3 mph H 83%29.97 inHg
Overcast night · 4:00 AM Overcast night
55° 💧 0.000 in 💨 6 mph H 90%30.00 inHg
Overcast · 7:00 AM Overcast
54° 💧 0.003 in 💨 6 mph H 89%30.00 inHg
Light rain · 10:00 AM Light rain
58° 💧 0.018 in 💨 6 mph H 80%30.00 inHg
Overcast · 1:00 PM Overcast
63° 💧 0.007 in 💨 5 mph H 64%30.00 inHg
Overcast · 4:00 PM Overcast
65° 💧 None 💨 4 mph H 57%29.94 inHg

In Martha Lake and, more broadly, across the state of Washington: This evening will feature mostly cloudy skies with mild temperatures ranging from 59 to 67 degrees. Winds will be light, coming from the west at a maximum of 3 mph, with occasional gusts up to 3 mph. No precipitation is expected tonight, making for a relatively calm and dry evening. Temperatures are expected to remain steady over the next few hours, providing a comfortable night ahead. Overall, residents can enjoy a peaceful evening with gentle breezes and no significant weather disturbances.

15-Day Weather Outlook for Martha Lake

Friday, Sep 11Fri Sep 11 Mostly cloudy Mostly cloudy 67°/54° 💧 None 💨 6 mph
Saturday, Sep 12Sat Sep 12 Overcast Overcast 67°/55° 💧 0.029 in 💨 6 mph
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 67°/54° 💧 0.566 in 💨 10 mph
Monday, Sep 14Mon Sep 14 Light rain Light rain 65°/56° 💧 0.069 in 💨 10 mph
Tuesday, Sep 15Tue Sep 15 Overcast Overcast 65°/52° 💧 None 💨 6 mph
Wednesday, Sep 16Wed Sep 16 Partly cloudy Partly cloudy 70°/56° 💧 None 💨 9 mph
Thursday, Sep 17Thu Sep 17 Sunny Sunny 77°/56° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Mostly sunny Mostly sunny 83°/56° 💧 None 💨 5 mph
Saturday, Sep 19Sat Sep 19 Mostly cloudy Mostly cloudy 75°/57° 💧 None 💨 8 mph
Sunday, Sep 20Sun Sep 20 Overcast Overcast 68°/57° 💧 0.008 in 💨 9 mph
Monday, Sep 21Mon Sep 21 Overcast Overcast 68°/54° 💧 0.027 in 💨 5 mph
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 67°/55° 💧 None 💨 9 mph
Wednesday, Sep 23Wed Sep 23 Partly cloudy Partly cloudy 68°/55° 💧 None 💨 9 mph
Thursday, Sep 24Thu Sep 24 Mostly sunny Mostly sunny 73°/58° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Martha Lake

Vertical axis: °F · Color based on temperature
Mostly cloudy at 7:00 PM
68° Today 7:00 PM
Partly cloudy night at 8:00 PM
65° 8:00 PM
Overcast night at 9:00 PM
63° 9:00 PM
Overcast night at 10:00 PM
62° 10:00 PM
Overcast night at 11:00 PM
61° Today 11:00 PM
Mostly cloudy night at 12:00 AM
60° 12:00 AM
Mostly cloudy night at 1:00 AM
59° 1:00 AM
Mostly cloudy night at 2:00 AM
58° 2:00 AM
Mostly cloudy night at 3:00 AM
58° Tomorrow 3:00 AM
Mostly clear night at 4:00 AM
57° 4:00 AM
Mostly clear night at 5:00 AM
57° 5:00 AM
Mostly clear night at 6:00 AM
56° 6:00 AM
Partly cloudy at 7:00 AM
55° Tomorrow 7:00 AM
Mostly cloudy at 8:00 AM
57° 8:00 AM
Overcast at 9:00 AM
59° 9:00 AM
Overcast at 10:00 AM
61° 10:00 AM
Overcast at 11:00 AM
63° Tomorrow 11:00 AM
Overcast at 12:00 PM
64° 12:00 PM
Overcast at 1:00 PM
66° 1:00 PM
Overcast at 2:00 PM
67° 2:00 PM
Mostly cloudy at 3:00 PM
68° Tomorrow 3:00 PM
Mostly cloudy at 4:00 PM
68° 4:00 PM
Mostly cloudy at 5:00 PM
67° 5:00 PM
Mostly cloudy at 6:00 PM
67° 6:00 PM
Mostly cloudy at 7:00 PM
65° Tomorrow 7:00 PM
Overcast night at 8:00 PM
64° 8:00 PM
Overcast night at 9:00 PM
63° 9:00 PM
Light rain at 10:00 PM
60° 10:00 PM
Light rain at 11:00 PM
59° Tomorrow 11:00 PM
Mist at night at 12:00 AM
58° 12:00 AM
Overcast night at 1:00 AM
58° 1:00 AM
Overcast night at 2:00 AM
57° 2:00 AM
Overcast night at 3:00 AM
56° Friday 3:00 AM
Overcast night at 4:00 AM
55° 4:00 AM
Overcast night at 5:00 AM
55° 5:00 AM
Overcast night at 6:00 AM
55° 6:00 AM
Overcast at 7:00 AM
54° Friday 7:00 AM
Overcast at 8:00 AM
55° 8:00 AM
Overcast at 9:00 AM
57° 9:00 AM
Light rain at 10:00 AM
58° 10:00 AM
Light rain at 11:00 AM
60° Friday 11:00 AM
Light rain at 12:00 PM
61° 12:00 PM
Overcast at 1:00 PM
63° 1:00 PM
Overcast at 2:00 PM
64° 2:00 PM
Overcast at 3:00 PM
64° Friday 3:00 PM
Overcast at 4:00 PM
65° 4:00 PM
Overcast at 5:00 PM
65° 5:00 PM
Overcast at 6:00 PM
65° 6:00 PM
Overcast at 7:00 PM
63° Friday 7:00 PM
Overcast night at 8:00 PM
61° 8:00 PM
Overcast night at 9:00 PM
60° 9:00 PM
Overcast night at 10:00 PM
59° 10:00 PM
Overcast night at 11:00 PM
58° Friday 11:00 PM
Overcast night at 12:00 AM
57° 12:00 AM
Overcast night at 1:00 AM
57° 1:00 AM
Overcast night at 2:00 AM
56° 2:00 AM
Overcast night at 3:00 AM
55° Saturday 3:00 AM
Overcast night at 4:00 AM
55° 4:00 AM
Overcast night at 5:00 AM
55° 5:00 AM
Overcast at 2:00 PM
67° 2:00 PM
Partly cloudy at 5:00 PM
67° Saturday 5:00 PM
Light rain at 8:00 PM
61° 8:00 PM
Light rain at 11:00 PM
57° 11:00 PM
Moderate rain at 2:00 AM
55° 2:00 AM
Moderate rain at 5:00 AM
54° Sunday 5:00 AM
Light rain at 8:00 AM
54° 8:00 AM
Overcast at 11:00 AM
56° 11:00 AM
Overcast at 2:00 PM
64° 2:00 PM
Light rain at 5:00 PM
64° Sunday 5:00 PM
Mostly cloudy night at 8:00 PM
61° 8:00 PM
Mostly clear night at 11:00 PM
58° 11:00 PM
Light rain at 2:00 AM
56° 2:00 AM
Overcast night at 5:00 AM
56° Monday 5:00 AM
Overcast at 8:00 AM
56° 8:00 AM
Overcast at 11:00 AM
61° 11:00 AM
Partly cloudy at 2:00 PM
65° 2:00 PM
Sunny at 5:00 PM
65° Monday 5:00 PM
Clear night at 8:00 PM
58° 8:00 PM
Clear night at 11:00 PM
55° 11:00 PM
Clear night at 2:00 AM
54° 2:00 AM
Overcast night at 5:00 AM
52° Tuesday 5:00 AM
Overcast at 8:00 AM
53° 8:00 AM
Overcast at 11:00 AM
60° 11:00 AM
Partly cloudy at 5:00 PM
68° 5:00 PM
Overcast night at 11:00 PM
70° Tuesday 11:00 PM
Clear night at 5:00 AM
60° 5:00 AM
Sunny at 11:00 AM
56° 11:00 AM
Sunny at 5:00 PM
70° 5:00 PM
Clear night at 11:00 PM
77° Wednesday 11:00 PM
Clear night at 5:00 AM
64° 5:00 AM
Sunny at 11:00 AM
56° 11:00 AM
Sunny at 5:00 PM
74° 5:00 PM
Clear night at 11:00 PM
83° Thursday 11:00 PM
Clear night at 5:00 AM
65° 5:00 AM
Mostly sunny at 11:00 AM
56° 11:00 AM
Mostly sunny at 5:00 PM
65° 5:00 PM
Clear night at 11:00 PM
75° Friday 11:00 PM
Partly cloudy night at 5:00 AM
61° 5:00 AM
Mostly cloudy at 11:00 AM
57° 11:00 AM
Overcast at 5:00 PM
64° 5:00 PM
Partly cloudy night at 11:00 PM
68° Saturday 11:00 PM
Mostly cloudy night at 5:00 AM
61° 5:00 AM
Overcast at 11:00 AM
57° 11:00 AM
Overcast at 5:00 PM
60° 5:00 PM
Mostly cloudy night at 11:00 PM
68° Sunday 11:00 PM
Partly cloudy night at 5:00 AM
58° 5:00 AM
Partly cloudy at 11:00 AM
54° 11:00 AM
Sunny at 5:00 PM
64° 5:00 PM
Overcast night at 11:00 PM
67° Monday 11:00 PM
Clear night at 5:00 AM
59° 5:00 AM
Partly cloudy at 11:00 AM
55° 11:00 AM
Partly cloudy at 5:00 PM
65° 5:00 PM
Mostly clear night at 11:00 PM
68° Tuesday 11:00 PM
Mostly cloudy night at 5:00 AM
57° 5:00 AM
Partly cloudy at 11:00 AM
55° 11:00 AM
Mostly sunny at 5:00 PM
66° 5:00 PM
Mostly clear night at 11:00 PM
73° Wednesday 11:00 PM
Clear night at 5:00 AM
62° 5:00 AM
Sunny at 11:00 AM
58° 11:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Martha Lake

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 7:00 PM
PM2.5 Fine particles Good 7,5µg/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 8,3µg/m³

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

O₃ Ozone Fair 83,4µg/m³

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

NO₂ Nitrogen dioxide Good 4,9µg/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 Martha Lake

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 4,6Moderate 🙂Fair
Tomorrow UV 2,7Low 🙂Fair
Friday UV 2,5Low 🙂Fair
Saturday UV 2,5Low 🙂Fair
Sunday UV 6,0High 🙂Fair
Monday UV 5,0Moderate Unavailable
Tuesday UV 4,0Moderate Unavailable
Hourly UV index today
7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for 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 Martha Lake

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 7:00 PM 8:00 PM 9:00 PM 10:00 PM Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Friday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Friday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Friday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Friday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Friday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Friday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Saturday 3:00 AM 4:00 AM 5:00 AM 2:00 PM Saturday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Sunday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Sunday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Monday 5:00 AM 8:00 AM 11:00 AM 2:00 PM Monday 5:00 PM 8:00 PM 11:00 PM 2:00 AM Tuesday 5:00 AM 8:00 AM 11:00 AM 5:00 PM Tuesday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Wednesday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Thursday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Friday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Saturday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Sunday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Monday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Tuesday 11:00 PM 5:00 AM 11:00 AM 5:00 PM Wednesday 11:00 PM 5:00 AM 11:00 AM
Sustained wind Max gusts
NIGHT SKY · MARTHA LAKE, WASHINGTON

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

85/100Best-hour score
BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:22 PM–4:51 AM
Cloud cover 20% Real hourly forecast for the best viewing hour.
Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 82° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min76%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Martha Lake were last refreshed today at 6:23 PM. The current forecast period extends through 11/09/2026 at 4:00 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.