St. Helens, Oregon Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
St. Helens weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——79°55°—
- MondayJul 6Overcast——83°58°+4°
- TuesdayJul 7Overcast——82°49°-1°
- WednesdayJul 8Overcast——76°55°-6°
- ThursdayJul 9Overcast——80°47°+4°
- FridayJul 10Overcast——80°48°0°
- SaturdayJul 11Overcast——77°54°-3°
AQI 17 (Good), driven by PM2.5. AQI down 8 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:36 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
St. Helens at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Helens
- Sun79°54°0%
- Mon83°58°0%
- Tue82°49°0%
- Wed76°55°1%
- Thu80°47°0%
- Fri80°48°1%
- Sat77°54°3%
- Sun80°47°2%
- Mon89°53°2%
- Tue89°57°2%
- Wed89°54°1%
- Thu90°56°5%
- Fri90°56°3%
- Sat88°55°0%
- Sun82°54°0%
- Mon80°47°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 St. Helens
- 97051