---
title: "10 Day Weather Forecast for Sullivan, CO"
description: "Get the latest 10 day weather forecast for Sullivan, CO. Stay prepared with accurate and up-to-date weather information to plan your week ahead."
location: "Sullivan, CO"
canonical: "https://www.weatherbug.com/weather-forecast/10-day-weather/sullivan-co-80231"
coordinates: ["39.67138,-104.89803"]
temperature_units: "°F"
last_updated: "2026-05-27T18:08:00.0000000Z"
source: "WeatherBug"
---

# 10 Day Weather Forecast for Sullivan, CO

Get the latest 10-day weather forecast for Sullivan, CO, including day and night conditions, high and low temperatures, wind speed and direction and precipitation chances.
Forecast issued on 2026-05-27T18:08:00+00:00.

## 10 Day Weather Forecast

| Date       | Day Forecast                                     | Night Forecast                                 | High °F | Low °F |

| ---------- | ------------------------------------------------ |------------------------------------------------| -------: | -------: |

| Wed, May 27 | Mostly cloudy with a 50 percent chance of thunderstorms. Highs near 70. Southeast winds 10 to 20 mph with gusts up to 30 mph. | Mostly cloudy. Chance of showers and slight chance of thunderstorms early in the evening  then a chance of showers during the late evening hours. Lows in the lower to mid 50s. Chance of rain 40 percent. | 68°F | 56°F |
| Thu, May 28 | Mostly cloudy. Chance of thunderstorms in the afternoon. Highs in the 70s. Southeast winds 10 to 15 mph in the afternoon. Chance of precipitation 30 percent. | Mostly cloudy. Slight chance of thunderstorms in the evening. Lows in the lower to mid 50s. Southeast winds 10 to 15 mph in the evening  becoming light. Chance of precipitation 20 percent. | 75°F | 58°F |
| Fri, May 29 | Mostly cloudy with a 30 percent chance of thunderstorms. Highs 77 to 83. | Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the lower to mid 50s. Chance of rain 40 percent. | 82°F | 56°F |
| Sat, May 30 | Partly cloudy with a 50 percent chance of thunderstorms. Highs 74 to 80. | Partly cloudy with a 10 percent chance of thunderstorms. Lows 46 to 52. | 79°F | 54°F |
| Sun, May 31 | Partly cloudy with a 30 percent chance of thunderstorms. Highs 75 to 81. Lows 47 to 53. | Partly cloudy with a 30 percent chance of thunderstorms. Highs 75 to 81. Lows 47 to 53. | 79°F | 57°F |
| Mon, Jun 1 | Partly cloudy with a 50 percent chance of thunderstorms. Highs 75 to 81. | Mostly cloudy with a 40 percent chance of thunderstorms. Lows 48 to 54. | 79°F | 58°F |
| Tue, Jun 2 | Mostly cloudy with a 50 percent chance of thunderstorms. Highs 74 to 80. | Mostly cloudy with a 40 percent chance of thunderstorms. Lows 47 to 53. Highs in the mid to upper 70s. | 78°F | 59°F |
| Wed, Jun 3 | Mostly cloudy with a 40 percent chance of thunderstorms. Lows 47 to 53. Highs in the mid to upper 70s. | Mostly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 59F. Dew point will be around 49F with an average humidity of 57%. Winds will be 2 mph from the SW. | 78°F | 59°F |
| Thu, Jun 4 | Mostly sunny. High temperature around 81F. Dew point will be around 47F with an average humidity of 37%. Winds will be 3 mph from the NE. | Partly cloudy. Low temperature around 63F. Dew point will be around 46F with an average humidity of 44%. Winds will be 4 mph from the W. | 81°F | 63°F |
| Fri, Jun 5 | Mostly sunny. High temperature around 85F. Dew point will be around 44F with an average humidity of 30%. Winds will be 3 mph from the E. | Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 64F. Dew point will be around 46F with an average humidity of 40%. Winds will be 4 mph from the W. | 85°F | 64°F |



## Source Information
- Source: "https://www.weatherbug.com/weather-forecast/10-day-weather/sullivan-co-80231"
- Last Updated: "2026-05-27T18:08:00+00:00"