Weather tomorrow: Grand Junction
Forecast for tomorrow, 29 September: overcast. The daily air temperature range is 12 to 18 °C. Chance of precipitation tomorrow according to the daily forecast: 82%. Forecast precipitation amount: 6.6 mm. Wind from the southeast at 3.3 m/s.
tuesday 29 september
Overcast
+18°
+12°
Sunset 19:00
G/m activity 2
Precipitation probability 82%
Precipitation 6.6 mm
Wind
3.3 m/s
Pressure 846.6 hPa
Index UV 6
Humidity 74%
Sunrise 07:09
Moon Waning Gibbous
Sunrise 07:09
Sunset 19:00
G/m activity 2
Moon Waning Gibbous
00:00
12°
SE
3.3 m/s01:00
12°
SE
2.8 m/s02:00
12°
SE
2.2 m/s03:00
12°
SE
2.8 m/s04:00
12°
S
1.7 m/s05:00
12°
SE
1.7 m/s06:00
12°
SE
1.7 m/s07:00
12°
E
1.7 m/s08:00
12°
E
0.8 m/s09:00
13°
SE
1.4 m/s10:00
13°
E
1.4 m/s11:00
15°
E
1.1 m/s12:00
16°
NE
1.4 m/s13:00
17°
N
1.4 m/s14:00
18°
N
2.2 m/s15:00
19°
NW
2.5 m/s16:00
19°
NW
3.9 m/s17:00
19°
NW
4.7 m/s18:00
18°
NW
4.4 m/s19:00
17°
W
3.6 m/s20:00
16°
W
3.1 m/s21:00
15°
W
2.8 m/s22:00
15°
W
2.5 m/s23:00
15°
W
2.5 m/sWhat is the atmospheric pressure in Grand Junction tomorrow?
Pressure adjusted for location elevation. Location elevation: 1459 m relative to sea level
Forecast for 29.09.2026 · Local time
Pressure: 843.9–846.6 hPa.
Minimum: 843.9 hPa19:00Also at other hours
Maximum: 846.6 hPa00:00–13:00
Largest change over 3 hours:
−1.3 hPa · 11:00–14:00
First of 6 intervals with the same change magnitude shown.
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 843.9 Scale midpoint · 845.3 Higher · 846.6 Largest change over 3 hoursWhat is the chance of precipitation in Grand Junction tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 82%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 1.4 mm | Probability of precipitation in percent (%): 75% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 51% |
| 02:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 52% |
| 03:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 43% |
| 04:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 27% |
| 05:00 | Amount of precipitation in millimeters (mm): 0.3 mm | Probability of precipitation in percent (%): 51% |
| 06:00 | Amount of precipitation in millimeters (mm): 0.5 mm | Probability of precipitation in percent (%): 68% |
| 07:00 | Amount of precipitation in millimeters (mm): 0.4 mm | Probability of precipitation in percent (%): 57% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 28% |
| 09:00 | Amount of precipitation in millimeters (mm): 0.2 mm | Probability of precipitation in percent (%): 39% |
| 10:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 29% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 15% |
| 12:00 | Amount of precipitation in millimeters (mm): 0.1 mm | Probability of precipitation in percent (%): 24% |
| 13:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 15% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
| 17:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 18:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 15% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 16% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 17% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 16% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
Grand Junction weather tomorrow: morning, afternoon and evening
Morning: overcast and light rain, +12 °C. Afternoon: overcast, +14 °C. Evening: overcast and showers, +18 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 15:00 to 17:00, at around +19 °C. Times are local.
Tomorrow's strongest winds are expected at 17:00 (from the northwest). The lightest winds are expected at 08:00 (from the east). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Grand Junction tomorrow?
The highest forecast Kp index for tomorrow is 2.
