Stepping Stone, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Stepping Stone weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——92°62°—
- MondayJul 6Overcast——94°65°+2°
- TuesdayJul 7Overcast46%—93°64°-1°
- WednesdayJul 8Light Showers67%—93°62°0°
- ThursdayJul 9Light Drizzle51%—89°60°-4°
- FridayJul 10Overcast23%—95°61°+6°
- SaturdayJul 11Clear——93°63°-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
Stepping Stone at a glance
- Today vs. normal: 8°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 — Stepping Stone
- Sun92°61°5%
- Mon94°65°6%
- Tue93°64°46%
- Wed93°62°67%
- Thu89°60°51%
- Fri95°61°23%
- Sat93°63°5%
- Sun95°65°3%
- Mon104°66°6%
- Tue101°67°21%
- Wed103°65°26%
- Thu98°65°52%
- Fri96°63°52%
- Sat101°66°48%
- Sun92°68°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 — Stepping Stone
SPC includes Stepping Stone 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.
Microseason · July 1–5
Monsoon storms drench the south
Monsoon established in southern Mountain West (New Mexico, southern Utah, Arizona north); afternoon downpours and lightning common.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Stepping Stone peaks at about 73°F in July and bottoms near 31°F in December; August brings the heaviest rain (2.3 inches) and December the least (0.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 0.4″ | 1 |
| February | 33° | 0.4″ | 2 |
| March | 41° | 1.0″ | 3 |
| April | 47° | 1.9″ | 5 |
| May | 56° | 2.0″ | 5 |
| June | 67° | 2.0″ | 4 |
| July | 73° | 1.8″ | 5 |
| August | 71° | 2.3″ | 4 |
| September | 63° | 1.3″ | 3 |
| October | 50° | 1.0″ | 3 |
| November | 39° | 0.5″ | 2 |
| December | 31° | 0.3″ | 1 |
Regional context
Stepping Stone's climate, from NOAA NCEI 1991-2020 station normals, pairs 32°F Januarys with 73°F Julys — a 41°F swing. About 15 inches of precipitation falls over roughly 37 days a year.
Stepping Stone's rain peaks in summer: August brings 2.3 inches over 4.1 thunderstorm-fed days, while December sees just 0.3 inches across 1.0 days under cooler, drier air. That summer-storm rhythm groups Stepping Stone with places like Meridian Village, CO, Sierra Ridge, CO and Stonegate, CO.
Stepping Stone's growing window opens around mid-April, once Stepping Stone's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Warm-soil crops in Stepping Stone wait about two weeks past Stepping Stone's last frost, once the soil warms. It shuts near mid-November, when freezes return to Stepping Stone and tender plants need cover. Within Stepping Stone, cold-air pooling chills low spots by 5-10°F, shifting Stepping Stone's local frost dates.
Similar climates: Meridian Village, CO, Sierra Ridge, CO, Stonegate, CO, Grand View Estates, CO, Parker, CO.
Frequently asked
- When does it freeze in Stepping Stone?
- Frost typically leaves Stepping Stone by mid-April and returns to Stepping Stone near mid-November.
- What is the rainy season in Stepping Stone?
- Stepping Stone sees its heaviest rain in August (around 2.3 inches), part of roughly 15 inches a year.
- What is the warmest month in Stepping Stone?
- On average July tops the year in Stepping Stone at about 73°F.
- What is the coldest month in Stepping Stone?
- The coldest stretch in Stepping Stone falls in December, around 31°F on average.
- When can I start a vegetable garden in Stepping Stone?
- Around mid-April, start frost-hardy crops in Stepping Stone; tomatoes and basil belong a fortnight later.
- How many rainy days does Stepping Stone get?
- Expect roughly 37 wet days a year in Stepping Stone.
- What hardiness zone is Stepping Stone?
- Since December in Stepping Stone averages 31°F, Stepping Stone's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Stepping Stone?
- Stepping Stone's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Stepping Stone?
- See this week's day-by-day rain chances for Stepping Stone in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Stepping Stone?
- Current conditions for Stepping Stone and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Stepping Stone forecast updated?
- The Stepping Stone forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Stepping Stone?
- Today's sunrise and sunset times for Stepping Stone are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Stepping Stone?
- The next few days in Stepping Stone's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Stepping Stone, Colorado, the hot desert climate runs from about 32°F in January to 73°F in July, a 41°F seasonal range.
In a typical year Stepping Stone records about 15 inches of precipitation on around 37 days.
Stepping Stone's 41°F range, set by its 39.5°N position, drives frost timing and what thrives in Stepping Stone.
ZIP codes in Stepping Stone
- 80134