Weather forecast for 10 days
Niwot, CO

Tomorrow, on Sunday, December 22, the weather will be mostly cloudy as well.
Day and night temperatures will sharply contrast, oscillating between a comfortable 62.6°F (17°C) and a cold 35.6°F (2°C).
Tomorrow, it will be warmer and the maximum temperature will be more in line with November's average highest temperature of 50.4°F (10.2°C) than the average highest temperature of 39°F (3.9°C) in December.
Sunrise will be at 7:18 am and sunset at 4:40 pm; tomorrow's daylight will last for 9h and 22min.

For the next ten days, a combination of cloudy, sunny and rainy weather is predicted.
With a 49% probability, rainfall is anticipated only on Wednesday. The precipitation will be light at 0.16" (4mm).
Temperature fluctuation will be substantial in the upcoming period. The highest temperature will vary between 48.2°F (9°C) and 62.6°F (17°C), while the lowest nightly temperature variation will be also considerable, as the lowest temperature will range between 24.8°F (-4°C) and 39.2°F (4°C).
With the highest temperature of 62.6°F (17°C), Sunday will be the warmest day; Friday will be the coldest day, with the highest temperature of 48.2°F (9°C).

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The coldest month is December, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 19.9°F (-6.7°C).