Silverton, Colorado Weather
Heat hardens the dust. Day 77 of spring. Read this microseason across nine climate regions →
Silverton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast21%—67°43°—
- FridayJun 5Overcast——71°50°+4°
- SaturdayJun 6Overcast35%—75°47°+4°
- SundayJun 7Overcast——67°43°-8°
- MondayJun 8Partly Cloudy——68°42°+1°
- TuesdayJun 9Drizzle12%0.13″67°43°-1°
- WednesdayJun 10Light Drizzle14%0.06″57°47°-10°
Ozone at AQI 75. AQI up 11 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~85%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 75. Overcast through the UV peak window (cloud cover ~85%) — afternoon ozone should stay flat.
- Present
- AQI 75
- UV peak
- 8.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 44
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:35 AM
- Moonset
- 3:22 PM
- In sign
- ♒︎ Aquarius
Heat hardens the dust
Silverton at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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 has placed Silverton in the General Thunderstorms category for severe thunderstorms today.
- 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.