Hayden, Colorado Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Hayden weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——77°46°—
- TuesdayJun 16Overcast——84°50°+7°
- WednesdayJun 17Clear——86°53°+2°
- ThursdayJun 18Overcast——80°43°-6°
- FridayJun 19Overcast——88°46°+8°
- SaturdayJun 20Overcast13%—85°50°-3°
- SundayJun 21Partly Cloudy——81°45°-4°
AQI 49 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 75 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 75
- UV peak
- 2.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 75
PM × Wind × Precip
PM2.5 at 5.1 µg/m³, PM10 at 6.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- breezy
- 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
- 5:43 AM
- Moonset
- 9:02 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Hayden at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Hayden
- Mon77°46°0%
- Tue84°50°1%
- Wed86°53°2%
- Thu80°43°0%
- Fri88°46°2%
- Sat85°50°13%
- Sun81°45°9%
- Mon86°47°6%
- Tue89°46°3%
- Wed92°47°1%
- Thu97°50°2%
- Fri93°56°5%
- Sat81°48°6%
- Sun79°40°7%
- Mon88°42°15%
- Tue95°51°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 15, 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 Hayden
- 81639