Bremerton, Washington Weather
August Arrives Dimmed. Day 43 of summer. Read this microseason across nine climate regions →
Bremerton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast14%—67°52°—
- MondayAug 3Clear——76°51°+9°
- TuesdayAug 4Clear——86°48°+10°
- WednesdayAug 5Clear——91°52°+5°
- ThursdayAug 6Overcast——94°55°+3°
- FridayAug 7Overcast——86°53°-8°
- SaturdayAug 8Mostly Clear——85°51°-1°
AQI 17 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































Red sky at night, sailor's delight.
- Moonrise
- 9:57 PM
- Moonset
- 10:24 AM
- In sign
- ♓︎ Pisces
August Arrives Dimmed
Bremerton at a glance
- Today vs. normal: 55°F — typical for the season
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 98310, 98311, 98312, 98314, 98337
16-Day Forecast — Bremerton
- Sun67°52°14%
- Mon76°51°1%
- Tue86°48°0%
- Wed91°52°0%
- Thu94°55°0%
- Fri86°53°0%
- Sat85°51°1%
- Sun82°49°1%
- Mon84°50°1%
- Tue86°52°2%
- Wed86°53°2%
- Thu86°54°3%
- Fri90°53°3%
- Sat85°54°3%
- Sun81°54°3%
- Mon77°54°11%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Bremerton
Right now in the garden
Peak growing season
As of August 2, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Sun & seasons in Bremerton
Bremerton sits in Kitsap County, where the year’s longest day runs 15h 59m of daylight and its shortest just 8h 26m — a swing of +7h 33m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Seattle, the state’s largest city, lies about 19 miles to the ENE. The nearest town Bremerton tracks is Seattle, roughly 19 miles to the ENE.
Air quality in Bremerton’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 19). See the full air-quality history for Bremerton.
Microseason · August 1–5
August Arrives Dimmed
Smoke persists. Nights fall noticeably earlier—sunset shifts 3 minutes earlier than June's solstice. Resinous fir and cedar scent hangs thick.
Day 214 of 365 · Wedge 43 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Bremerton peaks at about 66°F in August and bottoms near 40°F in December; December brings the heaviest rain (9.9 inches) and July the least (0.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 41° | 9.3″ | 14 |
| February | 42° | 5.8″ | 10 |
| March | 46° | 6.4″ | 12 |
| April | 50° | 3.9″ | 9 |
| May | 56° | 2.4″ | 6 |
| June | 61° | 1.6″ | 5 |
| July | 66° | 0.8″ | 2 |
| August | 66° | 1.1″ | 2 |
| September | 62° | 1.8″ | 5 |
| October | 53° | 5.1″ | 9 |
| November | 45° | 8.8″ | 13 |
| December | 40° | 9.9″ | 14 |
Regional context
In Bremerton, NOAA NCEI 1991-2020 normals put January near 41°F and July near 66°F — a 24°F seasonal arc — with about 56.9 inches of precipitation over 102 rainy or snowy days.
Cool-season fronts carry Bremerton's rain: December logs 9.9 inches on 13.6 days, against July's 0.8 inches on 2.3 — winter does the heavy lifting in Bremerton. That groups Bremerton with places like Gorst, WA, Navy Yard City, WA and Port Orchard, WA on the same cool-season storm track.
Around late-May, Bremerton sheds its freezing nights — peas, lettuce, spinach, and radishes go into Bremerton's beds. Heat-demanding starts go out a fortnight on in Bremerton, after the soil warms and cold snaps clear. The season ends by early-October in Bremerton, once hard frosts set back in. Bremerton's low ground holds frost later into spring than Bremerton's benches, which run 3-5 days ahead.
Similar climates: Gorst, WA, Navy Yard City, WA, Port Orchard, WA, Kitsap Lake, WA, Rocky Point, WA.
Naturalist notes
Pacific rhododendrons reach peak bloom in late May, their large pink clusters marking the transition from spring to early summer.
American robins begin their second nesting cycle around mid-May as daylight extends past 15 hours.
Frequently asked
- When does it freeze in Bremerton?
- Frost typically leaves Bremerton by mid-May and returns to Bremerton near mid-October.
- What is the rainy season in Bremerton?
- Bremerton sees its heaviest rain in December (around 9.9 inches), part of roughly 57 inches a year.
- What is the warmest month in Bremerton?
- The warmest stretch in Bremerton comes in August, around 66°F on average.
- What is the coldest month in Bremerton?
- On average December is the chilliest month in Bremerton, about 40°F.
- When can I start a vegetable garden in Bremerton?
- Bremerton's last frost (mid-May) cues hardy greens; in Bremerton, hold heat-lovers two weeks past.
- How many rainy days does Bremerton get?
- Expect roughly 102 wet days a year in Bremerton.
- What hardiness zone is Bremerton?
- Bremerton's hardiness zone tracks its winter low; with December near 40°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Bremerton?
- Bremerton's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Bremerton?
- See this week's day-by-day rain chances for Bremerton in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Bremerton?
- Current conditions for Bremerton and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Bremerton forecast updated?
- The Bremerton forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Bremerton?
- Today's sunrise and sunset times for Bremerton are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Bremerton?
- The next few days in Bremerton's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Bremerton, Washington occupies a warm-summer Mediterranean zone, with January means near 41°F and July around 66°F — a 25°F swing.
Across the year, Bremerton collects about 57 inches of precipitation over roughly 102 days with measurable rain or snow.
Latitude 47.5°N gives Bremerton its 25°F swing, and with it the rhythm of Bremerton's growing season.
ZIP codes in Bremerton
- 98312
- 98314
- 98310
- 98337