Weather forecast for 10 daysMertztown, PA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 34°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNNE 19°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:17 am EDT
- Sunset: 6:18 pm EDT
- details ▼
Today, conditions will remain bright with clear skies.
The maximum temperature will be a refreshing 59°F, while the minimum predicted temperature is an icy 33.8°F.
Today's high is forecasted to coincide with the typical October maximum of 62.1°F.
Sunrise will be at 7:17 am and sunset at 6:18 pm; the daylight will last for 11h and 1min.
The maximum temperature will be a refreshing 59°F, while the minimum predicted temperature is an icy 33.8°F.
Today's high is forecasted to coincide with the typical October maximum of 62.1°F.
Sunrise will be at 7:17 am and sunset at 6:18 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest day: Tuesday 70°C.
Minimum temperature: 59°C.
Minimum temperature: 59°C.
Chance of precipitation
Highest chance: Sunday 25.10. 7%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 59°F
- 34°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNNE 19°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:17 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNNE 25°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:18 am EDT
- Sunset: 6:16 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphNNE 15°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:19 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphNNE 28°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphN 353°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:21 am EDT
- Sunset: 6:12 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 34°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNNE 13°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:22 am EDT
- Sunset: 6:11 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 32°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphNE 40°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:23 am EDT
- Sunset: 6:09 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 34°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNNW 330°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:24 am EDT
- Sunset: 6:08 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNW 323°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:26 am EDT
- Sunset: 6:07 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphN 353°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:27 am EDT
- Sunset: 6:05 pm EDT
- details ▼
Primarily sun-filled and occasionally dull weather is anticipated.
Rainfall is not forecasted in Mertztown in the upcoming period.
In the upcoming days, the highest temperature will vary between 59°F and 69.8°F, while the lowest temperature will be between 32°F and 42.8°F.
Tuesday is expected to be the warmest, reaching up to 69.8°F; Sunday and Saturday, with the highest temperature of 59°F, will be the coldest days.
Rainfall is not forecasted in Mertztown in the upcoming period.
In the upcoming days, the highest temperature will vary between 59°F and 69.8°F, while the lowest temperature will be between 32°F and 42.8°F.
Tuesday is expected to be the warmest, reaching up to 69.8°F; Sunday and Saturday, with the highest temperature of 59°F, will be the coldest days.
Updated: Oct 18, 2026 @ 11:05:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunshine is forecasted under mostly clear skies.
Today, the maximum temperature will be 59°F, while the minimum temperature will be 33.8°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 46°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 46°F.
On Sunday, in Mertztown, sunrise will be at 7:17 am and sunset at 6:18 pm (EDT).
In Mertztown, the length of the day today will be 11h and 1min.





