Silt, Colorado Weather
Thunderheads build by noon. Day 90 of spring. Read this microseason across nine climate regions →
Silt weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Partly Cloudy——90°52°—
- WednesdayJun 17Clear——94°63°+4°
- ThursdayJun 18Overcast——93°59°-1°
- FridayJun 19Overcast——95°50°+2°
- SaturdayJun 20Overcast——90°57°-5°
- SundayJun 21Overcast——90°49°0°
- MondayJun 22Light Drizzle—0.04″89°48°-1°
AQI 57 (Moderate), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 45 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 11 around 1 PM.
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 45 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 45
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 4.8 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.50
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 8:16 AM
- Moonset
- 10:49 PM
- In sign
- ♋︎ Cancer
Thunderheads build by noon
Silt at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Silt
- Tue90°52°0%
- Wed94°63°0%
- Thu93°59°0%
- Fri95°50°0%
- Sat90°57°0%
- Sun90°49°1%
- Mon89°48°1%
- Tue94°48°1%
- Wed98°53°1%
- Thu97°53°2%
- Fri94°53°5%
- Sat91°52°6%
- Sun93°51°10%
- Mon92°52°10%
- Tue97°51°10%
- Wed98°50°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
ZIP codes in Silt
- 81652