Tomorrow Hourly Weather Forecast for Hillsboro, OR

Hourly Weather | Tomorrow › Wednesday, April 8, 2026

Active Weather Warnings

Frost Advisory

Hillsboro, Oregon

12 AM

45°

Feels Like 43°

Humidity: 72%

UV Index: 0

Wind: 6 mph

1 AM

43°

Feels Like 41°

Humidity: 76%

UV Index: 0

Wind: 6 mph

2 AM

43°

Feels Like 39°

Humidity: 79%

UV Index: 0

Wind: 5 mph

3 AM

39°

Feels Like 39°

Humidity: 83%

UV Index: 0

Wind: 5 mph

4 AM

37°

Feels Like 39°

Humidity: 85%

UV Index: 0

Wind: 4 mph

5 AM

37°

Feels Like 37°

Humidity: 87%

UV Index: 0

Wind: 4 mph

6 AM

36°

Feels Like 36°

Humidity: 95%

UV Index: 0

Wind: 2 mph

7 AM

36°

Feels Like 39°

Humidity: 92%

UV Index: 0

Wind: 2 mph

8 AM

39°

Feels Like 45°

Humidity: 88%

UV Index: 1

Wind: 2 mph

9 AM

43°

Feels Like 50°

Humidity: 80%

UV Index: 2

Wind: 2 mph

10 AM

48°

Feels Like 57°

Humidity: 69%

UV Index: 3

Wind: 2 mph

11 AM

52°

Feels Like 63°

Humidity: 60%

UV Index: 4

Wind: 2 mph

12 PM

55°

Feels Like 68°

Humidity: 52%

UV Index: 5

Wind: 2 mph

1 PM

59°

Feels Like 72°

Humidity: 46%

UV Index: 5

Wind: 2 mph

2 PM

63°

Feels Like 73°

Humidity: 40%

UV Index: 5

Wind: 4 mph

3 PM

64°

Feels Like 72°

Humidity: 36%

UV Index: 4

Wind: 4 mph

4 PM

66°

Feels Like 72°

Humidity: 33%

UV Index: 3

Wind: 4 mph

5 PM

70°

Feels Like 72°

Humidity: 31%

UV Index: 2

Wind: 4 mph

6 PM

66°

Feels Like 66°

Humidity: 33%

UV Index: 1

Wind: 5 mph

7 PM

64°

Feels Like 64°

Humidity: 38%

UV Index: 0

Wind: 5 mph

8 PM

61°

Feels Like 59°

Humidity: 45%

UV Index: 0

Wind: 5 mph

9 PM

57°

Feels Like 55°

Humidity: 51%

UV Index: 0

Wind: 6 mph

10 PM

54°

Feels Like 52°

Humidity: 57%

UV Index: 0

Wind: 6 mph

11 PM

52°

Feels Like 48°

Humidity: 64%

UV Index: 0

Wind: 6 mph

Weather Alerts and Warnings for Hillsboro

Minor Expected Likely

Frost Advisory

Frost Advisory issued April 7 at 9:21AM PDT until April 8 at 9:00AM PDT by NWS Portland OR

Apr 7, 11:00 PM → Apr 8, 9:00 AM

WHAT: Temperatures as low as 34 to 36 degrees will result in
frost formation.

WHERE: Central and Southern Willamette Valley, Tualatin Valley,
and Inner Vancouver Metro.

WHEN: From 11 PM this evening to 9 AM PDT Wednesday.

IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

+ Read More

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.

Updated: Apr 7, 11:18 AM Source: NWS Alert

Weather Alerts and Warnings for Hillsboro

Frost Advisory

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