Tall Timber, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tall Timber, a community in Boulder County, Colorado.
This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 43 in the afternoon. East northeast wind around 3 mph.
7-day forecast for Tall Timber
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Sunny | 3 mph ENE | 0% |
| Tonight | 32°F | Mostly Clear | 3 mph NW | 0% |
| Wednesday | 49°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 22% |
| Wednesday Night | 32°F | Slight Chance Rain Showers then Mostly Cloudy | 2 mph NW | 19% |
| Thursday | 53°F | Sunny | 0 to 6 mph SW | 0% |
| Thursday Night | 35°F | Partly Cloudy | 3 mph W | 1% |
| Friday | 52°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 3 mph N | 16% |
| Friday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 8 mph W | 16% |
| Saturday | 55°F | Sunny | 0 to 9 mph SSE | 3% |
| Saturday Night | 34°F | Mostly Clear | 1 to 6 mph W | 1% |
| Sunday | 63°F | Sunny | 1 to 9 mph W | 0% |
| Sunday Night | 43°F | Mostly Clear | 7 to 12 mph W | 0% |
| Monday | 63°F | Mostly Sunny | 1 to 10 mph NNW | 0% |
| Monday Night | 41°F | Partly Cloudy | 1 to 7 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Tall Timber (40.015, -105.350). Updated through the day.
Growing snapshot for Tall Timber
Last spring frost
May 6
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
6a
More local growing data for Tall Timber: nearby ZIP 80302 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Allenspark
Altona
Bark Ranch
Bonanza Mountain Estates
Boulder
Coal Creek
Crisman
Eldorado Springs
Glendale
Gold Hill
Gunbarrel
Hidden Lake
Jamestown
Lafayette
Lazy Acres
Leyner
Longmont
Louisville
Lyons
Mountain Meadows
Nederland
Niwot
Paragon Estates
Pine Brook Hill
Seven Hills
St. Ann Highlands
Sugarloaf
Sunshine
Superior
Valmont
Climate data from the nearest NOAA station, Boulder, Co (4.9 mi from Tall Timber). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.