Castle Pines, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Castle Pines weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——88°60°—
- MondayJul 6Overcast——91°64°+3°
- TuesdayJul 7Overcast49%—93°61°+2°
- WednesdayJul 8Showers69%0.05″94°58°+1°
- ThursdayJul 9Light Drizzle51%—88°58°-6°
- FridayJul 10Overcast25%—91°58°+3°
- SaturdayJul 11Clear——93°59°+2°
AQI 52 (Moderate), driven by PM2.5. AQI down 50 over the last 6 hours — air quality is improving sharply. PM2.5 at 12.6 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature.
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 12.6 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:18 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Castle Pines at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Castle Pines
- Sun89°60°5%
- Mon91°64°6%
- Tue93°61°49%
- Wed94°58°69%
- Thu88°58°51%
- Fri91°58°25%
- Sat93°59°4%
- Sun94°62°3%
- Mon102°62°7%
- Tue101°65°22%
- Wed103°63°26%
- Thu98°63°52%
- Fri96°60°52%
- Sat100°62°48%
- Sun92°64°61%
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 — Castle Pines
SPC includes Castle Pines 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 Castle Pines
- 80108