Arriba, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arriba, a town in Lincoln County, Colorado.
This Afternoon
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 85, with temperatures falling to around 80 in the afternoon. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Arriba
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Chance Showers And Thunderstorms | 8 mph W | 31% |
| Tonight | 55°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 12 mph NNW | 52% |
| Saturday | 76°F | Mostly Sunny then Showers And Thunderstorms Likely | 6 to 12 mph NE | 61% |
| Saturday Night | 51°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 14 mph NNE | 88% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 74% |
| Sunday Night | 48°F | Showers And Thunderstorms Likely | 3 to 10 mph NW | 67% |
| Monday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 13 mph S | 16% |
| Monday Night | 49°F | Partly Cloudy then Chance Rain Showers | 12 to 17 mph SSE | 30% |
| Tuesday | 69°F | Slight Chance Rain Showers then Partly Sunny | 18 to 26 mph SSE | 16% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms then Mostly Cloudy | 28 mph SSE | 34% |
| Wednesday | 73°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 18 to 26 mph S | 19% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 9 to 17 mph S | 20% |
| Thursday | 74°F | Partly Sunny then Slight Chance Rain Showers | 9 to 13 mph S | 15% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 12 mph SSE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Arriba (39.284, -103.274). Updated through the day.
Growing snapshot for Arriba
Last spring frost
May 5
First fall frost
Oct 8
Growing season
155 days
Hardiness zone
5b
More local growing data for Arriba: nearby ZIP 80804 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Flagler 1S, Co (10.9 mi from Arriba). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.