Twin Lakes, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Twin Lakes weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——96°61°—
- MondayJul 6Overcast——100°66°+4°
- TuesdayJul 7Light Drizzle45%0.01″98°76°-2°
- WednesdayJul 8Light Showers58%0.05″96°70°-2°
- ThursdayJul 9Light Drizzle38%—93°70°-3°
- FridayJul 10Overcast21%—98°71°+5°
- SaturdayJul 11Clear——97°73°-1°
AQI 40 (Good), driven by PM2.5. AQI down 54 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.5 µg/m³ (AQI 47) 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 8.5 µg/m³ (AQI 47) 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
- 11:15 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Twin Lakes at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 81251
15-Day Forecast — Twin Lakes
- Sun96°61°2%
- Mon100°66°7%
- Tue98°76°45%
- Wed96°70°58%
- Thu93°70°38%
- Fri98°71°21%
- Sat97°73°5%
- Sun100°76°2%
- Mon108°76°8%
- Tue105°81°21%
- Wed101°79°25%
- Thu102°73°44%
- Fri100°74°45%
- Sat104°77°44%
- Sun96°79°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 — Twin Lakes
SPC includes Twin Lakes 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
Twin Lakes peaks at about 72°F in July and bottoms near 25°F in December; May brings the heaviest rain (3.3 inches) and January the least (0.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 25° | 0.9″ | 10 |
| February | 28° | 1.1″ | 11 |
| March | 33° | 1.9″ | 15 |
| April | 44° | 2.6″ | 18 |
| May | 55° | 3.3″ | 21 |
| June | 66° | 2.1″ | 20 |
| July | 72° | 2.2″ | 23 |
| August | 70° | 1.8″ | 23 |
| September | 63° | 1.4″ | 15 |
| October | 48° | 1.4″ | 11 |
| November | 33° | 1.4″ | 12 |
| December | 25° | 0.9″ | 10 |
Regional context
Per NOAA NCEI 1991-2020 normals, Twin Lakes runs from a 25°F January mean to 72°F in July, a 46°F seasonal spread, with near 21 inches of precipitation across about 191 wet days.
Precipitation in Twin Lakes runs summer-dominant: May averages 3.3 inches across 21.2 days of warm-season storms, while January drops to 0.9 inches over 10.4 rainy days of drier cool air. That puts Twin Lakes in a summer-convective cohort with places like Sherrelwood, CO, North Washington, CO and Berkley, CO.
Once Twin Lakes passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Twin Lakes's heat-lovers — tomatoes, peppers, squash — hold off until Twin Lakes's frost risk clears, 10-14 days on. The season ends by mid-November in Twin Lakes, once hard frosts set back in. A creek-bottom lot in Twin Lakes can lag Twin Lakes's last frost 7-10 days behind a south slope.
Similar climates: Sherrelwood, CO, North Washington, CO, Berkley, CO, Welby, CO, Federal Heights, CO.
Frequently asked
- When does it freeze in Twin Lakes?
- Frost typically leaves Twin Lakes by mid-April and returns to Twin Lakes near mid-November.
- What is the rainy season in Twin Lakes?
- Twin Lakes sees its heaviest rain in May (around 3.3 inches), part of roughly 21 inches a year.
- What is the warmest month in Twin Lakes?
- July is Twin Lakes's warmest month, averaging about 72°F.
- What is the coldest month in Twin Lakes?
- Twin Lakes bottoms out in December, with a mean near 25°F.
- When can I start a vegetable garden in Twin Lakes?
- Time tomatoes in Twin Lakes for two weeks after mid-April; peas and greens start at Twin Lakes's frost line.
- How many rainy days does Twin Lakes get?
- Twin Lakes records around 191 days of measurable precipitation annually.
- What hardiness zone is Twin Lakes?
- Twin Lakes sits in the USDA zone set by December lows near 25°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Twin Lakes?
- Twin Lakes'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 Twin Lakes?
- See this week's day-by-day rain chances for Twin Lakes in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Twin Lakes?
- Current conditions for Twin Lakes and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Twin Lakes forecast updated?
- The Twin Lakes forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Twin Lakes?
- Today's sunrise and sunset times for Twin Lakes 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 Twin Lakes?
- The next few days in Twin Lakes's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Twin Lakes, Colorado occupies a hot desert zone, with January means near 25°F and July around 72°F — a 47°F swing.
In a typical year Twin Lakes records about 21 inches of precipitation on around 191 days.
The 47°F gap between Twin Lakes's summer and winter, at 39.8°N, shapes Twin Lakes's frost calendar.
ZIP codes in Twin Lakes
- 80221