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Current Weather Conditions:
PORTLAND-HILLSBORO AIRPORT, OR, United States

NWS Point Forecast for KHIO (KHIO) 45-33N 122-57W 68M

Conditions at

2026.10.31 0853 UTC
Wind Calm (direction variable)
Visibility 1/4 mile(s)
Sky conditions obscured
Weather Fog
Temperature 36.0 F (2.2 C)
Dew Point 36.0 F (2.2 C)
Relative Humidity 100%
Pressure (altimeter) 29.98 in. Hg (1015 hPa)
Pressure tendency 0.02 inches (0.7 hPa) higher than three hours ago
ob KHIO 310853Z AUTO 00000KT 1/4SM R13R/1200V2400FT FG VV001 02/02 A2998 RMK AO2 SLP152 I3000 T00220022 51007

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
55.0 (12.8) 37.0 (2.8) In the 6 hours preceding Oct 31, 2026 - 01:53 AM EDT / 2026.10.31 0553 UTC
57.0 (13.9) 35.1 (1.7) In the 24 hours preceding Oct 31, 2026 - 03:53 AM EDT / 2026.10.31 0753 UTC

Precipitation Accumulation

Precipitation
Amount
A trace In the 3 hours preceding Oct 30, 2026 - 10:53 PM EDT / 2026.10.31 0253 UTC
A trace In the 6 hours preceding Oct 31, 2026 - 01:53 AM EDT / 2026.10.31 0553 UTC
0.13 inches In the 24 hours preceding Oct 30, 2026 - 07:53 AM EDT / 2026.10.30 1153 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 5 AM (9) Oct 31 36.0 (2.2) 36.0 (2.2) 29.98 (1015) Calm fog
4 AM (8) Oct 31 35.1 (1.7) 35.1 (1.7) 29.98 (1015) W 3 fog
3 AM (7) Oct 31 35.1 (1.7) 35.1 (1.7) 29.97 (1014) Calm mist
2 AM (6) Oct 31 36.0 (2.2) 36.0 (2.2) 29.97 (1014) Calm mist
1 AM (5) Oct 31 37.9 (3.3) 37.9 (3.3) 29.95 (1014) Calm mist
Midnight (4) Oct 31 41 (5) 41 (5) 29.94 (1013) Calm
11 PM (3) Oct 30 43.0 (6.1) 42.1 (5.6) 29.93 (1013) Calm
10 PM (2) Oct 30 46.9 (8.3) 42.1 (5.6) 29.92 (1013) ESE 3
9 PM (1) Oct 30 50.0 (10.0) 43.0 (6.1) 29.9 (1012) S 7
8 PM (0) Oct 30 55.0 (12.8) 43.0 (6.1) 29.89 (1012) Variable 6
7 PM (23) Oct 30 55.0 (12.8) 42.1 (5.6) 29.88 (1011) WSW 9
6 PM (22) Oct 30 55.0 (12.8) 42.1 (5.6) 29.87 (1011) S 8
5 PM (21) Oct 30 53 (12) 44 (7) 29.88 (1011) S 7
4 PM (20) Oct 30 52.0 (11.1) 46.0 (7.8) 29.89 (1012) SSW 5
3 PM (19) Oct 30 51.1 (10.6) 45.0 (7.2) 29.9 (1012) SSE 10
2 PM (18) Oct 30 48.9 (9.4) 46.9 (8.3) 29.89 (1012) S 8
1 PM (17) Oct 30 48 (9) 46 (8) 29.88 (1011) ESE 8
Noon (16) Oct 30 46.9 (8.3) 46.0 (7.8) 29.88 (1011) E 3
11 AM (15) Oct 30 45.0 (7.2) 45.0 (7.2) 29.85 (1010) Calm shallow fog
10 AM (14) Oct 30 45.0 (7.2) 44.1 (6.7) 29.85 (1010) Calm light rain; mist
9 AM (13) Oct 30 45.0 (7.2) 44.1 (6.7) 29.85 (1010) Calm light rain; mist
8 AM (12) Oct 30 45.0 (7.2) 44.1 (6.7) 29.85 (1010) WNW 3 light rain
7 AM (11) Oct 30 44.1 (6.7) 44.1 (6.7) 29.86 (1011) Calm
Oldest 6 AM (10) Oct 30 44.1 (6.7) 44.1 (6.7) 29.88 (1011) NW 3 mist
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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