Haswell, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Haswell weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——93°63°—
- MondayJul 6Overcast——96°65°+3°
- TuesdayJul 7Overcast33%—100°70°+4°
- WednesdayJul 8Drizzle54%—99°67°-1°
- ThursdayJul 9Heavy Drizzle57%0.01″96°66°-3°
- FridayJul 10Overcast34%—95°65°-1°
- SaturdayJul 11Mostly Clear——100°71°+5°
AQI 45 (Good), driven by PM2.5. AQI down 22 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.61 fine-to-coarse ratio and 5 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
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.61 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.61
- Wind
- light
- 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
- 11:10 PM
- Moonset
- 11:08 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Haswell at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 81045
15-Day Forecast — Haswell
- Sun93°63°4%
- Mon96°65°4%
- Tue100°70°33%
- Wed99°67°54%
- Thu96°66°57%
- Fri95°65°34%
- Sat100°71°7%
- Sun95°69°1%
- Mon103°70°1%
- Tue106°74°8%
- Wed107°75°18%
- Thu103°74°28%
- Fri97°70°33%
- Sat97°69°19%
- Sun103°73°26%
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 — Haswell
SPC includes Haswell 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 Haswell
- 81045