Weather tomorrow: Forest Grove

Forecast for tomorrow, 28 September: overcast. The daily air temperature range is 7 to 20 °C. Chance of precipitation tomorrow according to the daily forecast: 6%. Forecast precipitation amount: 0 mm. Wind from the west at 2.2 m/s.

monday 28 september

Overcast

Overcast, Precipitation probability 6%, Sunrise 07:08, Sunset 18:58, 28.09.2026

+20°

+7°

Sunset 18:58

G/m activity 2

Precipitation probability 6%

Precipitation 0.0 mm

Wind 2.2 m/s

Pressure 1010.6 hPa

Index UV 4

Humidity 59%

Sunrise 07:08

Moon Waning Gibbous

Sunrise 07:08

Sunset 18:58

G/m activity 2

Moon Waning Gibbous

Clear
night
+10°
Overcast
morning
+7°
Partly cloudy
day
+17°
Overcast
evening
+16°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Clear

10°

6 %
-

NW

2.2 m/s

01:00

Partly cloudy

9°

9 %
-

W

2.2 m/s

02:00

Clear

9°

5 %
-

NW

1.7 m/s

03:00

Partly cloudy

8°

7 %
-

W

1.7 m/s

04:00

Overcast

8°

16 %
-

W

1.4 m/s

05:00

Partly cloudy

8°

5 %
-

W

1.4 m/s

06:00

Overcast

7°

14 %
-

W

1.4 m/s

07:00

Overcast

7°

14 %
-

W

1.1 m/s

08:00

Cloudy

9°

10 %
-

W

0.6 m/s

09:00

Cloudy

10°

9 %
-

S

0.8 m/s

10:00

Partly cloudy

13°

5 %
-

SE

0.8 m/s

11:00

Partly cloudy

15°

2 %
-

SE

1.1 m/s

12:00

Partly cloudy

17°

1 %
-

SE

1.7 m/s

13:00

Partly cloudy

18°

1 %
-

SE

1.9 m/s

14:00

Partly cloudy

19°

1 %
-

SE

2.2 m/s

15:00

Partly cloudy

20°

4 %
-

SE

1.7 m/s

16:00

Overcast

20°

9 %
-

S

1.1 m/s

17:00

Overcast

19°

10 %
-

S

1.1 m/s

18:00

Overcast

16°

4 %
-

SW

0.8 m/s

19:00

Cloudy

14°

7 %
-

W

1.7 m/s

20:00

Partly cloudy

12°

9 %
-

W

2.2 m/s

21:00

Partly cloudy

11°

16 %
-

W

2.2 m/s

22:00

Partly cloudy

11°

14 %
-

W

2.2 m/s

23:00

Overcast

10°

23 %
-

W

1.7 m/s

What is the atmospheric pressure in Forest Grove tomorrow?

Pressure adjusted for location elevation. Location elevation: 63 m relative to sea level

Forecast for 28.09.2026 · Local time

Pressure: 1007.9–1011.9 hPa.

Minimum: 1007.9 hPa15:00–18:00

Maximum: 1011.9 hPa09:00–11:00

Largest change over 3 hours: −2.7 hPa · 11:00–14:00
First of 5 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

1009.3 00:00 —
1009.3 01:00 —
1009.3 02:00 —
1010.6 03:00 +1.3
1010.6 04:00 +1.3
1010.6 05:00 +1.3
1010.6 06:00 0
1010.6 07:00 0
1010.6 08:00 0
1011.9 09:00 +1.3
1011.9 10:00 +1.3
1011.9 11:00 +1.3
1010.6 12:00 −1.3
1010.6 13:00 −1.3
1009.3 14:00 −2.7
1007.9 15:00 −2.7
1007.9 16:00 −2.7
1007.9 17:00 −1.3
1007.9 18:00 0
1009.3 19:00 +1.3
1010.6 20:00 +2.7
1010.6 21:00 +2.7
1010.6 22:00 +1.3
1010.6 23:00 0

Colours show pressure relative to this day’s range

Lower · 1007.9 Scale midpoint · 1009.9 Higher · 1011.9 Largest change over 3 hours

What is the chance of precipitation in Forest Grove tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 6%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 6%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 5%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 7%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 5%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 10%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 5%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 2%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
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 (%): 1%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 10%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 7%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 23%

Forest Grove weather tomorrow: morning, afternoon and evening

Morning: overcast, +7 °C. Afternoon: partly cloudy, +17 °C. Evening: overcast, +16 °C.

According to the hourly forecast, tomorrow's highest temperature is expected from 15:00 to 16:00, at around +20 °C. Times are local.

The lightest winds are expected at 08:00 (from the west). Times are local.

Temperature and wind for tomorrow

+10° +8° +7° +10° +17° +20° +16° +11° 2.2 m/s 1.7 m/s 1.4 m/s 0.8 m/s 1.7 m/s 1.7 m/s 0.8 m/s 2.2 m/s
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
- Wind direction and speed, m/s
- Temperature, °C

What geomagnetic activity is forecast for Forest Grove tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

00:00 2
03:00 2
06:00 2
09:00 1
12:00 1
15:00 2
18:00 2
21:00 1

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