Silverton, Colorado Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Silverton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——76°51°—
- MondayJul 6Heavy Drizzle39%0.08″74°52°-2°
- TuesdayJul 7Light Drizzle57%—74°50°0°
- WednesdayJul 8Overcast20%—79°51°+5°
- ThursdayJul 9Light Drizzle12%—77°49°-2°
- FridayJul 10Overcast——75°50°-2°
- SaturdayJul 11Overcast13%—85°51°+10°
AQI 159 (Unhealthy), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 86.4 µg/m³ (AQI 173) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
LIMIT OUTDOORS Limit prolonged outdoor exertion. Sensitive groups should avoid outdoor exertion. Consider rescheduling outdoor activities until AQI improves.
What's driving it
Ozone × UV × Sky
Ozone at AQI 37 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 37
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 86.4 µg/m³ (AQI 173) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- 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
- 11:28 PM
- Moonset
- 11:26 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Silverton at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 81433
15-Day Forecast — Silverton
- Sun75°52°1%
- Mon74°52°39%
- Tue74°50°57%
- Wed79°51°20%
- Thu77°49°12%
- Fri75°50°7%
- Sat85°51°13%
- Sun85°52°22%
- Mon89°52°31%
- Tue85°54°39%
- Wed85°53°42%
- Thu87°56°49%
- Fri88°54°62%
- Sat85°52°65%
- Sun84°54°65%
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.
SPC Convective Outlook
Storm Prediction Center — Silverton
SPC includes Silverton in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Silverton
- 81433