Harrisburg (PA)
Today
Today weather in Harrisburg
Tuesday, August 18th, 2026
30°
Sunny
Low 20°
Harrisburg will have a warm day Today with temperatures ascending to 29 °F and descending to around 20 °F after sunset. Gentle breezes are expected across Harrisburg Today, with speeds reaching around 12 km/h. Torrential rain is predicted with a total of over 74.56 mm. Stay safe!
30° / 20°
Temp
68%
Rain
12 km/h
Wind
66%
Humidity
Harrisburg Weather Pages
Harrisburg hourly forecast for today
Scroll right to see more weather forecasts for Harrisburg today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:21 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 08:01 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  |  | | | | |  |  | | | | | | |  | | | | | |  |  |  |  | | Next |
| temperatures | 22.7° | 22.2° | 21.7° | 21.3° | 20.9° | 20.6° | 20.3° | Sunrise | 20.3° | 20.6° | 22.1° | 24.2° | 25.8° | 27.2° | 28.4° | 29.3° | 29.8° | 29.7° | 29.6° | 28.9° | 27.5° | 25.2° | Sunset | 24.2° | 22.8° | 21.8° | |
| Feels like | 24.7° | 24.3° | 24.3° | 23.6° | 23° | 23° | 22.2° | 22° | 22.2° | 23.4° | 24.8° | 26.6° | 27.7° | 28.7° | 29.4° | 29.6° | 28.7° | 28.8° | 28.8° | 28.2° | 26° | 24.4° | 22.7° | 22.1° | |||
| wind speed | 9 km/h | 8 km/h | 6 km/h | 6 km/h | 6 km/h | 4 km/h | 6 km/h | 6 km/h | 6 km/h | 7 km/h | 10 km/h | 7 km/h | 8 km/h | 8 km/h | 10 km/h | 12 km/h | 13 km/h | 11 km/h | 9 km/h | 5 km/h | 5 km/h | 7 km/h | 8 km/h | 7 km/h | |||
| wind degree | 319° | 317° | 309° | 307° | 346° | 346° | 331° | 336° | 347° | 353° | 342° | 348° | 326° | 314° | 308° | 302° | 307° | 311° | 320° | 306° | 279° | 276° | 297° | 315° | |||
| wind direction | NW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | N | NNW | NNW | NW | NW | NW | WNW | NW | NW | NW | NW | W | W | WNW | NW | |||
| Precipitation | 9.3 mm | 9.3 mm | 9.3 mm | 9.3 mm | 9.3 mm | 9.3 mm | 9.3 mm | 9.3 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 88% | 87% | 86% | 87% | 93% | 91% | 88% | 85% | 11% | 8% | 4% | 3% | 2% | 2% | 2% | 1% | 1% | 1% | 1% | 3% | 12% | 3% | 6% | 6% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 85% | 87% | 90% | 89% | 89% | 90% | 89% | 87% | 85% | 75% | 64% | 56% | 52% | 48% | 45% | 42% | 40% | 39% | 44% | 54% | 54% | 54% | 60% | 65% | |||
| dew point | 20° | 19.9° | 19.9° | 19.4° | 19° | 18.9° | 18.4° | 18.1° | 18° | 17.6° | 17.1° | 16.5° | 16.5° | 16.3° | 16° | 15.4° | 14.5° | 14.1° | 15.3° | 17.3° | 15.2° | 14.5° | 14.6° | 14.9° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 88% | 72% | 79% | 99% | 81% | 88% | 76% | 5% | 4% | 0% | 0% | 5% | 12% | 26% | 4% | 0% | 0% | 4% | 6% | 100% | 5% | 44% | 27% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.7 | 1.8 | 3.7 | 5.8 | 7.4 | 8.1 | 7.8 | 5.9 | 3.3 | 2 | 0.9 | 0.2 | 0 | 0 | 0 | 0 |
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View of Harrisburg today
Explore Harrisburg live webcam feed to see how the weather is shaping up today in Harrisburg. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Harrisburg today.
Weather in Harrisburg today
The weather in Harrisburg today is expected to be much warmer than usual, with a forecast temperature of 30 °F, compared to an average of 24.5 °F for August 18th in recent years.
temperatures
30 °F
rain
74.6 mm
wind
12 km/h
UV
Very High
🌫️ Air quality, UV & pollen - Harrisburg Live AQI, UV index and pollen levels. Air Quality →
Harrisburg daylight overview ☀️
Today in Harrisburg, The sun rises at 06:21 and sets at 20:01, giving a total daylight duration of 13 hours and 40 minutes.
Quick links
More Harrisburg weather pages
What to wear today in Harrisburg? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Harrisburg forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
The weather today in Harrisburg - FAQ
What is the maximum temperature for today in Harrisburg?
The maximum temperature for today in Harrisburg is expected to be 30° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Harrisburg? 🌧️
Yes, there is a 68% chance of rain in Harrisburg today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Harrisburg? 🌀
The wind in Harrisburg is expected to blow at 12 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Harrisburg today?
Given the forecast of 30 °F with a 68% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Harrisburg today.
What is the sunrise and sunset time for Harrisburg today?
The sun is expected to rise at 06:21 and set at 20:01 in Harrisburg.
How accurate is the weather forecast Harrisburg today? ✅
Harrisburg weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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