Frederick, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Frederick weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——96°57°—
- MondayJul 6Overcast——100°60°+4°
- TuesdayJul 7Light Drizzle35%0.01″101°63°+1°
- WednesdayJul 8Light Drizzle56%—96°61°-5°
- ThursdayJul 9Light Rain37%0.07″97°59°+1°
- FridayJul 10Overcast16%—97°60°0°
- SaturdayJul 11Clear——100°61°+3°
AQI 53 (Moderate), driven by PM2.5. AQI down 56 over the last 6 hours — air quality is improving sharply. PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 11:19 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Frederick at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 80530
15-Day Forecast — Frederick
- Sun96°57°3%
- Mon100°60°5%
- Tue101°63°35%
- Wed96°61°56%
- Thu97°59°37%
- Fri97°60°16%
- Sat100°61°4%
- Sun103°64°2%
- Mon110°62°7%
- Tue101°69°19%
- Wed102°66°24%
- Thu106°64°44%
- Fri103°64°45%
- Sat106°64°44%
- Sun97°66°55%
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 — Frederick
SPC includes Frederick 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 Frederick
- 80504
- 80530
- 80516
- 80514