Grand Junction weather
At 6:30 PM local time it was partly cloudy and 13°C (55°F). Mostly light, on-and-off rain; heavier around 3 PM (3.1 mm total). Best months for weather: May–Sep. Grand Junction sits 1398 m (4,587 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Grand Junction, Colorado, United States.
Current conditions
- Clouds
- 78%
- Chance of rain
- 2%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 3 PM (3.1 mm total)
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Grand Junction weather
Is it raining in Grand Junction right now?
No. It’s partly cloudy and 13° right now. Mostly light, on-and-off rain; heavier around 3 PM (3.1 mm total).
What’s the weather like in Grand Junction this week?
Over the next 7 days, expect highs of 12–16° and lows of 6–9°. Rain is likely on 3 of 7 days (Saturday, Sunday, Monday). The driest day looks like Tuesday.
Has it been raining in Grand Junction lately?
In the past 7 days, Grand Junction had 1 rainy day and 1.6 mm of rain in total.
What should I pack for Grand Junction?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Grand Junction weather by month
When is the best time to visit Grand Junction?
Based on weather alone, the best time to visit Grand Junction is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 2°C (36°F) in December to 33°C (91°F) in July.
What is the rainiest month in Grand Junction?
September is the wettest month, with about 40 mm (1.6 in) of rain on average. June is the driest, with about 15 mm (0.6 in).
What is the hottest month in Grand Junction?
July is the warmest, with average highs of 33°C (91°F) and lows of 17°C (62°F). December is the coolest, with highs of 2°C (36°F) and lows of -8°C (18°F).
Does Grand Junction have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is September at about 40 mm (1.6 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months