Weather tomorrow: Lake Oswego

Forecast for tomorrow, 29 September: overcast. The daily air temperature range is 11 to 19 °C. Chance of precipitation tomorrow according to the daily forecast: 28%. Forecast precipitation amount: 0.2 mm. Wind from the south at 3.9 m/s.

tuesday 29 september

Overcast

Overcast, Precipitation probability 28%, Sunrise 07:07, Sunset 18:55, 29.09.2026

+19°

+11°

Sunset 18:55

G/m activity 2

Precipitation probability 28%

Precipitation 0.2 mm

Wind 3.9 m/s

Pressure 1007.9 hPa

Index UV 4

Humidity 69%

Sunrise 07:07

Moon Waning Gibbous

Sunrise 07:07

Sunset 18:55

G/m activity 2

Moon Waning Gibbous

Partly cloudy
night
+15°
Overcast
morning
+12°
Cloudy
day
+16°
Overcast
evening
+18°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Partly cloudy

15°

5 %
-

S

0.6 m/s

01:00

Cloudy

14°

4 %
-

SE

0.3 m/s

02:00

Cloudy

13°

13 %
-

SE

0.3 m/s

03:00

Overcast

13°

16 %
-

SE

1.7 m/s

04:00

Overcast

13°

17 %
-

S

1.7 m/s

05:00

Overcast

12°

18 %
-

S

1.7 m/s

06:00

Overcast

12°

20 %
-

S

1.4 m/s

07:00

Overcast

11°

19 %
-

SE

2.2 m/s

08:00

Cloudy

12°

14 %
-

S

1.7 m/s

09:00

Overcast

13°

17 %
-

S

2.2 m/s

10:00

Overcast

13°

16 %
-

S

1.9 m/s

11:00

Cloudy

14°

12 %
-

S

1.9 m/s

12:00

Cloudy

16°

10 %
-

S

2.2 m/s

13:00

Overcast

19°

13 %
-

SW

2.5 m/s

14:00

Overcast

19°

13 %
-

SW

3.6 m/s

15:00

Overcast

19°

14 %
-

SW

2.8 m/s

16:00

Overcast

18°

16 %
-

SW

2.2 m/s

17:00

Overcast

18°

17 %
-

SW

3.1 m/s

18:00

Overcast

18°

19 %
-

SW

3.3 m/s

19:00

Overcast

18°

21 %
-

SW

3.3 m/s

20:00

Cloudy

17°

18 %
-

W

2.8 m/s

21:00

Overcast and showers

17°

27 %
-

W

1.9 m/s

22:00

Overcast and showers

16°

27 %
-

NW

1.7 m/s

23:00

Overcast and showers

16°

28 %
-

NW

2.2 m/s

What is the atmospheric pressure in Lake Oswego tomorrow?

Pressure adjusted for location elevation. Location elevation: 61 m relative to sea level

Forecast for 29.09.2026 · Local time

Pressure: 1006.6–1009.3 hPa.

Minimum: 1006.6 hPa14:00–19:00

Maximum: 1009.3 hPa00:00–04:00Also at other hours

Largest change over 3 hours: −2.7 hPa · 11:00–14:00
First of 3 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 —
1009.3 03:00 0
1009.3 04:00 0
1007.9 05:00 −1.3
1007.9 06:00 −1.3
1007.9 07:00 −1.3
1007.9 08:00 0
1009.3 09:00 +1.3
1009.3 10:00 +1.3
1009.3 11:00 +1.3
1009.3 12:00 0
1007.9 13:00 −1.3
1006.6 14:00 −2.7
1006.6 15:00 −2.7
1006.6 16:00 −1.3
1006.6 17:00 0
1006.6 18:00 0
1006.6 19:00 0
1007.9 20:00 +1.3
1007.9 21:00 +1.3
1009.3 22:00 +2.7
1009.3 23:00 +1.3

Colours show pressure relative to this day’s range

Lower · 1006.6 Scale midpoint · 1007.9 Higher · 1009.3 Largest change over 3 hours

What is the chance of precipitation in Lake Oswego tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 28%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 5%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 13%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 17%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 18%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 17%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 10%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 13%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 13%
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 (%): 16%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 17%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 21%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 18%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 27%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 27%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 28%

Lake Oswego weather tomorrow: morning, afternoon and evening

Morning: overcast, +12 °C. Afternoon: cloudy, +16 °C. Evening: overcast, +18 °C.

According to the hourly forecast, tomorrow's highest temperature is expected from 13:00 to 15:00, at around +19 °C. Times are local.

Tomorrow's strongest winds are expected at 14:00 (from the southwest). The lightest winds are expected from 01:00 to 02:00 (from the southeast). Times are local.

Temperature and wind for tomorrow

+15° +13° +12° +13° +16° +19° +18° +17° 0.6 m/s 1.7 m/s 1.4 m/s 2.2 m/s 2.2 m/s 2.8 m/s 3.3 m/s 1.9 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 Lake Oswego tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

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

Nearest locations

Determine location Determine location
Weather in other cities