Weather Hollis Hartwick Dam long-term weather forecast

Long-term weather forecast for Hollis Hartwick Dam for ten days.

Friday, Jan 16

50 / 36°F

0.00 in

4 mph

36 °F	32 °F	4 am
46 °F	43 °F	10 am
50 °F	48 °F	4 pm
41 °F	37 °F	10 pm

sunrise 7:48 am
sunset 4:57 pm

HOURLY

During the day partly cloudy, in the evening clear. The highest temperature 50 °F. At night partly cloudy to cloudy. The lowest temperature 36 °F.

Interactive map weather Oregon, USA

GPS: 45.6198; -123.1429

altitude: 295 ft
local time:

PLACES IN THE AREA

Weather forecast Hollis Hartwick Dam, Oregon, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Friday 01/16/2026
4 AM 7 AM	partly cloudy	36 °F 32 °F	0.0 in	5 fps 3 mph north-northwest	30.3 in	91 %	32 °F	14 %	0%	14%	0%	0%
10 AM 1 PM	partly cloudy	46 °F 43 °F	0.0 in	5 fps 4 mph north-northeast	30.3 in	75 %	37 °F	21 %	0%	21%	0%	0%
4 PM 7 PM	clear	50 °F 46 °F	0.0 in	6 fps 4 mph northeast	30.2 in	64 %	37 °F	2 %	0%	2%	0%	0%
10 PM 1 AM	partly cloudy	41 °F 37 °F	0.0 in	3 fps 2 mph north-northeast	30.2 in	73 %	32 °F	29 %	0%	29%	0%	0%
Saturday 01/17/2026
4 AM 7 AM	cloudy	39 °F 36 °F	0.0 in	2 fps 2 mph north-northwest	30.2 in	76 %	32 °F	49 %	0%	49%	0%	0%
10 AM 1 PM	cloudy	45 °F 41 °F	0.0 in	4 fps 3 mph north-northeast	30.3 in	73 %	36 °F	80 %	0%	80%	0%	0%
4 PM 7 PM	overcast	50 °F 48 °F	0.0 in	2 fps 1 mph north-northeast	30.3 in	80 %	43 °F	89 %	0%	1%	0%	89%
10 PM 1 AM	clear	39 °F 36 °F	0.0 in	2 fps 1 mph north	30.3 in	79 %	34 °F	3 %	0%	0%	2%	0%

Hollis Hartwick Dam, Oregon, USA - information

State: Oregon, USA

GPS coordinates: 45.6198; -123.1429

Time zone: America / Los Angeles time difference in hours with time in NY is -9 hours

Altitude: 295 ft
The administrative part:

Oregon, Salem
Washington County, Hillsboro

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Weather Hollis Hartwick Dam, Oregon, USA. Weather forecast Hollis Hartwick Dam.

Hollis Hartwick Dam - weather nearby - bigger cities

Banks, 1.4 km
Forest Grove, 7.1 km
North Plains, 7.4 km
Cornelius, 8.0 km
Rockcreek, 14 km
Bethany, Oregon, 14 km

Oak Hills, 16 km
Scappoose, 16 km
Aloha, 16 km
Cedar Mill, 17 km
Beaverton, 19 km
Warren, 20 km

Hollis Hartwick Dam - weather nearby - the closest place

Hillside, 3.1 km
Manning, 3.3 km
Hayward, 3.9 km
Balm Grove, 4.0 km
Gales Creek, 4.2 km
Ornoname 13 Dam, 4.2 km

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Data source

Weather forecast for Hollis Hartwick Dam is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

Weather with Meteobox for your website

Astronomical information Hollis Hartwick Dam

data are always in the local time

Sun and light

Jan. 16, 2026

Sunrise:	Sunset:
7:48 am	4:57 pm
Noon:	Length of day:
12:22 pm	09:09
Start of civil twilight*:	End of civil twilight*:
7:14 am	5:30 pm
Start of nautical twilight*:	End of nautical twilight*:
6:38 am	6:06 pm
Start of astronomical twilight*:	End of astronomical twilight*:
6:03 am	6:42 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/16/2026 6:48 am	01/16/2026 2:40 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026