Littleton, CO Weather & Growing Conditions
Today
77°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 3pm, then showers and thunderstorms likely. Mostly sunny. High near 77, with temperatures falling to around 70 in the afternoon. East wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph E | 58% |
| Tonight | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SSE | 41% |
| Sunday | 72°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 9 mph NE | 30% |
| Sunday Night | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph NNW | 30% |
| Monday | 74°F | Sunny | 1 to 9 mph SE | 5% |
| Monday Night | 51°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 9 mph S | 16% |
| Tuesday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph SE | 18% |
| Tuesday Night | 52°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph S | 15% |
| Wednesday | 78°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph ESE | 16% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 mph SSW | 13% |
| Thursday | 79°F | Mostly Sunny | 3 to 7 mph SSE | 12% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph S | 15% |
| Friday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SSE | 16% |
| Friday Night | 54°F | Slight Chance Rain Showers | 5 to 9 mph S | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Littleton, CO
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6a
Explore more for Littleton, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Marston Fltr Plt, Co (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.