Santiago, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Santiago weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——64°49°—
- MondayJul 6Foggy——61°51°-3°
- TuesdayJul 7Drizzle—0.06″63°49°+2°
- WednesdayJul 8Drizzle24%0.13″62°49°-1°
- ThursdayJul 9Overcast——61°46°-1°
- FridayJul 10Overcast18%—63°50°+2°
- SaturdayJul 11Overcast——61°47°-2°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.4 µg/m³ (AQI 36), ratio 0.62 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
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 6.4 µg/m³ (AQI 36), ratio 0.62 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.62
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 11:42 PM
- Moonset
- 11:33 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Santiago at a glance
- Today vs. normal: 14°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.
15-Day Forecast — Santiago
- Sun64°49°0%
- Mon61°51°1%
- Tue63°49°6%
- Wed62°49°24%
- Thu61°46°1%
- Fri63°50°18%
- Sat61°47°9%
- Sun63°46°10%
- Mon67°44°6%
- Tue69°46°6%
- Wed71°54°3%
- Thu72°53°6%
- Fri69°55°3%
- Sat63°51°10%
- Sun71°50°2%
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 Santiago
- 98587