Arcanum

Sweetwater County, Ohio, United States

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

24°

Partly Cloudy

Feels Like: 24°

Min: 22°

Max: 30°

The next few hours will be clear, with tomorrow reaching 28°C and dropping to 15°C. The coming days will be drizzle

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

24° 23° 23° 23° 22° 22° 22° 21° 21° 21° 21° 21° 23° 25° 26° 28° 28° 22° 24° 24° 24° 24° 24° 24°
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
Today
Tomorrow

Daylight Hours

07:26

Sunrise

19:38

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

13:17

Moonrise

21:46

Moonset

Daily Forecast

Wednesday

22°
30°

Today

20°
28°

Friday

14°
23°

Saturday

21°

Sunday

23°

Monday

25°

Tuesday

10°
25°

Wednesday

10°
25°

Thursday

10°
22°

Friday

13°
16°

Air Quality Data Available

Upgrade to access real-time air quality data for Arcanum.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

92% Very Humid
Low High

Weather in Arcanum tomorrow, September 17, 2026

Cloud cover dominates in Arcanum on September 17, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 00:00. Outdoor plans early on should not rely on bright skies.

Temperatures climb from an overnight low near 20°C toward a daytime high of about 28°C. Expect humidity between 47% and 99%, most humid near 03:00. Airflow remains manageable, reaching about 4.2 km/h around 20:00.

Expect persistent cloud later on, with amounts around 74% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 14.3 km on average, though it can drop toward 12.2 km in thicker cloud or showers. Expect sunrise at 07:27, sunset at 19:36, and 12 hours 9 minutes of sunlight today overall.

Overall, Arcanum on September 17, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 28°C.

Frequently asked questions about weather in Arcanum

How warm does it get in Arcanum?

The warmest month in Arcanum is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Arcanum?

The coldest month in Arcanum is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.

What is the wettest time of year in Arcanum?

The wettest month in Arcanum is May, with an average of 121mm of precipitation.

What is the driest time of year in Arcanum?

The driest month in Arcanum is November, with an average of 75mm of precipitation.

View full climate insights for Arcanum →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)