Herron Island, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Herron Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——77°56°—
- MondayJul 6Overcast——85°53°+8°
- TuesdayJul 7Overcast——80°47°-5°
- WednesdayJul 8Overcast——74°52°-6°
- ThursdayJul 9Partly Cloudy——80°44°+6°
- FridayJul 10Overcast——71°50°-9°
- SaturdayJul 11Overcast——72°52°+1°
AQI 15 (Good), driven by PM2.5. AQI down 11 over the last 6 hours (gradual decline). PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:37 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Herron Island at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Herron Island
- Sun77°56°0%
- Mon85°53°0%
- Tue80°47°0%
- Wed74°52°6%
- Thu80°44°0%
- Fri71°50°3%
- Sat72°52°5%
- Sun64°50°4%
- Mon81°54°3%
- Tue86°55°3%
- Wed86°54°1%
- Thu89°54°3%
- Fri90°53°3%
- Sat87°53°10%
- Sun83°53°3%
- Mon79°49°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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.
ZIP codes in Herron Island
- 98349