Weather tomorrow: Chehalis
Forecast for tomorrow, 28 September: overcast. The daily air temperature range is 5 to 20 °C. Chance of precipitation tomorrow according to the daily forecast: 17%. Forecast precipitation amount: 0 mm. Wind from the southwest at 3.9 m/s.
monday 28 september
Overcast
+20°
+5°
Sunset 18:57
G/m activity 2
Precipitation probability 17%
Precipitation 0.0 mm
Wind
3.9 m/s
Pressure 1009.3 hPa
Index UV 4
Humidity 76%
Sunrise 07:07
Moon Waning Gibbous
Sunrise 07:07
Sunset 18:57
G/m activity 2
Moon Waning Gibbous
00:00
7°
W
0.8 m/s01:00
6°
W
0.8 m/s02:00
6°
SW
0.8 m/s03:00
6°
S
0.8 m/s04:00
6°
S
1.1 m/s05:00
6°
S
0.8 m/s06:00
6°
S
1.1 m/s07:00
6°
SE
1.4 m/s08:00
7°
S
1.4 m/s09:00
9°
S
1.7 m/s10:00
12°
S
1.7 m/s11:00
15°
S
1.7 m/s12:00
18°
SW
1.4 m/s13:00
20°
W
1.4 m/s14:00
20°
W
1.7 m/s15:00
20°
W
3.3 m/s16:00
19°
W
3.9 m/s17:00
18°
W
3.9 m/s18:00
16°
W
2.8 m/s19:00
13°
W
1.7 m/s20:00
11°
W
1.1 m/s21:00
10°
SW
0.8 m/s22:00
10°
S
1.4 m/s23:00
10°
S
1.7 m/sWhat is the atmospheric pressure in Chehalis tomorrow?
Pressure adjusted for location elevation. Location elevation: 68 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 1007.9–1010.6 hPa.
Minimum: 1007.9 hPa00:00Also at other hours
Maximum: 1010.6 hPa07:00–10:00
Largest change over 3 hours:
+1.3 hPa · 00:00–03:00
First of 13 intervals with the same change magnitude shown.
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 1007.9 Scale midpoint · 1009.3 Higher · 1010.6 Largest change over 3 hoursWhat is the chance of precipitation in Chehalis tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 17%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 15% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 24% |
| 02:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 03:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 38% |
| 04:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 38% |
| 05:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 32% |
| 06:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 30% |
| 07:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 18% |
| 09:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 16% |
| 10:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 8% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 6% |
| 12:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 13:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 17:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 18:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 6% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 31% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 29% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 39% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 42% |
Chehalis weather tomorrow: morning, afternoon and evening
Morning: overcast, +6 °C. Afternoon: partly cloudy, +18 °C. Evening: partly cloudy, +16 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 13:00 to 15:00, at around +20 °C. Times are local.
Tomorrow's strongest winds are expected from 16:00 to 17:00 (from the west). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Chehalis tomorrow?
The highest forecast Kp index for tomorrow is 2.
