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City of Boulder, COBoulder, CO 7-Day Weather Forecast
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Boulder Weather Forecast
Boulder, CO Weather Forecast Date: 856 PM MDT Sun Sep 06 2026
Weather forecast for Boulder, CO
Tonight Lo: 63°F Lo: 17°C |
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the lower to mid 60s. Chance of rain 30%. |
Labor Day Hi: 90°FHi: 32°C Lo: 60°F Lo: 16°C |
Labor Day... Mostly cloudy. Slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Highs 86 to 92. Chance of rain 20%. |
Tue Hi: 87°FHi: 31°C Lo: 57°F Lo: 14°C |
Tuesday... Partly cloudy. Highs 83 to 89. |
Wed Hi: 84°FHi: 29°C Lo: 57°F Lo: 14°C |
Wednesday... Mostly clear. Highs 80 to 86. Lows 52 to 60. |
| Thu Hi: 90°FHi: 32°C Lo: 60°F Lo: 16°C |
Thursday... Mostly clear. Highs 86 to 92. Lows near 60. |
| Fri Hi: 90°FHi: 32°C Lo: 60°F Lo: 16°C |
Friday... Mostly clear. Highs 86 to 92. Lows near 60. |
| Fri Hi: 90°FHi: 32°C Lo: 59°F Lo: 15°C |
Friday... Mostly clear. Highs 86 to 92. Lows near 60. |
| Sat Hi: 87°FHi: 31°C Lo: 54°F Lo: 12°C |
Saturday... Partly cloudy with a 20% chance of thunderstorms. Highs 82 to 90. |
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