Arlington Heights, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Arlington Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Mostly Clear——72°48°—
- MondayJul 6Overcast——79°51°+7°
- TuesdayJul 7Foggy——74°49°-5°
- WednesdayJul 8Drizzle29%0.13″63°53°-11°
- ThursdayJul 9Overcast——71°47°+8°
- FridayJul 10Overcast——74°49°+3°
- SaturdayJul 11Overcast13%—73°50°-1°
AQI 26 (Good), driven by PM2.5. AQI down 10 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
- 11:34 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Arlington Heights at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: June 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Arlington Heights
- Sun72°48°0%
- Mon79°51°0%
- Tue74°49°1%
- Wed63°53°29%
- Thu71°47°2%
- Fri74°49°9%
- Sat73°50°13%
- Sun72°46°9%
- Mon77°48°6%
- Tue78°52°4%
- Wed81°55°8%
- Thu83°55°10%
- Fri80°56°3%
- Sat72°54°11%
- Sun81°52°5%
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 Arlington Heights
- 98223