Portland — VanSky 67 (Comfortable)

District seat · Maine, United States

12° Clear

VanSky

Comfortable

Comfortable days: 6 of 7 Best window: Mo–We Better later this week

Feels like

7°C

Wind

25 km/h

Precip

Humidity

49%

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06:55 / 17:58

VanSky index for Portland, United States — 67 out of 100 (Comfortable). Decide in seconds: temperature, precipitation, wind and solar output. Data refreshed several times a day from real weather observations.

The main score is weekly (7-day average). The “Today” toggle shows the current day, and the region page compares cities “by area”.

Portland, United States — VanSky 67 out of 100. Comfortable for a route. Ranked #3650 of 4681 cities in the country (as of 15 October 2026). Temperature 57°F, wind 16 mph. Solar panels yield 1.7 kWh/day at 400 W — enough for full autonomy.

∅ 7-day average

Sleep

10°C

Night temperature

Solar

1.7 kWh

for 500W panels • sunny 10.9h

Driving

100

25 km/h

Wind speed (gusts 40)

Condensation

Low

49%

Humidity level • Dew point 34°F comfortable

Awning

Caution

40 km/h

Max gusts

Air Quality

Fair

28 AQI

PM2.5: 2 μg/m³

Upcoming forecast

15.10

day

14°

night

10°

solar

1.7 kWh

wind

25 km/h

gusts 40 км/ч

VanSky 78

comfort

16.10

day

15°

night

11°

solar

0.1 kWh

wind

26 km/h

gusts 42 км/ч

VanSky 55

comfort

17.10

day

16°

night

5°

solar

1.1 kWh

wind

29 km/h

gusts 46 км/ч

VanSky 78

comfort

18.10

day

11°

night

4°

solar

1.6 kWh

wind

20 km/h

gusts 31 км/ч

VanSky 61

comfort

19.10

day

13°

night

9°

solar

1.5 kWh

wind

22 km/h

gusts 34 км/ч

VanSky 77

comfort

20.10

day

16°

night

8°

solar

1.6 kWh

wind

18 km/h

VanSky 85

comfort

21.10

day

13°

night

8°

solar

1.5 kWh

wind

18 km/h

VanSky 76

comfort

Portland on map

Open full map →

Open-Meteo

Solar — W Panels W

Today's output

Peak hours

4.3h

sunny 10.9h

Usage estimate

Travel recommendations

Gusts up to 25 mph — open awning with caution and watch the forecast.

Air Quality Today

Good

Fair

Moderate

Poor

Danger

Fair

Air quality is acceptable — minor pollutants, most people won't notice.

PM2.5

μg/m³

Good

Dust

μg/m³

Good

Pollen

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Similar by VanSky

Cities with a close score — route alternatives

VanSky Index

A weather comfort index for travel: a 0–100 score. Recalculated daily from live weather data — temperature, rainfall, wind and sun.

80–100 Ideal

60–79 Comfortable

40–59 Acceptable

20–39 Challenging

0–19 Extreme

How it's calculated:

Thermal comfort 35%
Sunshine 25%
Precipitation 25%
Wind 15%

Data: Open-Meteo · Updated several times a day

Where the weather is best in United States

Portland ranks 1459 of 4681 cities. Country average VanSky — 72.

Best

Harshest

All 4681 cities in the country

Frequently Asked Questions

Is it possible to live in a motorhome in Portland?

The weekly VanSky index for Portland is 67 out of 100 (7-day average). Above 60 is comfortable for parking, below 40 — consider alternatives. Check the 7-day forecast on this page.

What is the solar panel output in Portland?

Solar panel output data for Portland is calculated from real peak sun hours. The result is shown in the Solar section — you can adjust it to your panel wattage.

How does VanSky calculate the comfort index for Portland?

The index for Portland is calculated using: thermal comfort (temperature + humidity), precipitation, wind, and solar activity. Extreme conditions — frost, storm, heavy rain — drive the score toward zero.