Portland Hillsboro Airport Weather Forecast 15 Days, Weather in HIO Today
Current weather conditions and 15 day weather forecast for Portland Hillsboro Airport, Oregon, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Portland Hillsboro Airport
| 22 May 2026 Friday 26.1 ° C / 79°F  Sunny |
Feels Like : 26.6 ° C / 79.9°F Humidity : % 39 Pressure : 1011 mb Wind Speed : 6.5 kmph / 4 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Portland Hillsboro Airport, OR, USA
Weather Forecast for next 15 Days for Portland Hillsboro Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Portland Hillsboro Airport, Oregon state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 May 2026 Friday | Sunny |
12 ° C (53.6°F) |
27.7 ° C (81.9°F) |
19.2 ° C (66.5°F) |
% 57 | 0% | 7.6 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 23 May 2026 Saturday | Sunny |
8.6 ° C (47.4°F) |
24.7 ° C (76.4°F) |
16.1 ° C (61.1°F) |
% 59 | 0% | 7.2 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
6.7 ° C (44°F) |
24.3 ° C (75.7°F) |
15.3 ° C (59.5°F) |
% 57 | 0% | 6.4 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 25 May 2026 Monday |  Patchy rain nearby |
8.2 ° C (46.8°F) |
21 ° C (69.9°F) |
13.3 ° C (55.9°F) |
% 54 | 85% | 6.3 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
8.2 ° C (46.8°F) |
15.9 ° C (60.6°F) |
11.1 ° C (51.9°F) |
% 82 | 88% | 4.1 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 27 May 2026 Wednesday |  Partly Cloudy |
5.7 ° C (42.3°F) |
20.2 ° C (68.3°F) |
10.8 ° C (51.4°F) |
% 76 | 0% | 0 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 28 May 2026 Thursday |  Overcast |
7.7 ° C (45.9°F) |
21.3 ° C (70.4°F) |
13.9 ° C (57°F) |
% 63 | 0% | 3 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 29 May 2026 Friday | Patchy rain nearby |
7.9 ° C (46.3°F) |
17.7 ° C (63.9°F) |
12.1 ° C (53.8°F) |
% 66 | 68% | 3 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 30 May 2026 Saturday | Partly Cloudy |
8.7 ° C (47.6°F) |
19.7 ° C (67.5°F) |
13.3 ° C (56°F) |
% 53 | 0% | 4 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 31 May 2026 Sunday | Patchy rain nearby |
5.5 ° C (41.9°F) |
13.8 ° C (56.8°F) |
9.8 ° C (49.7°F) |
% 69 | 72% | 2 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 01 June 2026 Monday | Patchy rain nearby |
4.6 ° C (40.2°F) |
14.3 ° C (57.7°F) |
9.6 ° C (49.3°F) |
% 78 | 85% | 2 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 02 June 2026 Tuesday | Partly Cloudy |
6 ° C (42.7°F) |
16.8 ° C (62.3°F) |
11.2 ° C (52.2°F) |
% 70 | 0% | 4 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 03 June 2026 Wednesday | Partly Cloudy |
6.6 ° C (43.8°F) |
21.7 ° C (71.1°F) |
14.4 ° C (57.9°F) |
% 63 | 0% | 4 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 04 June 2026 Thursday | Sunny |
8.1 ° C (46.6°F) |
25.9 ° C (78.6°F) |
17.1 ° C (62.7°F) |
% 60 | 0% | 5 | Sunrise:05:33 AM Sunset: 08:43 PM |
Moonrise:11:29 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
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