Frequently Asked Questions About Bristol Weather
Weather questions about Bristol locations can be confusing since multiple cities share this name across the United States. This FAQ addresses common weather questions for Bristol communities in Wisconsin, Connecticut, Tennessee, and Pennsylvania. Each location has unique climate characteristics influenced by geography, elevation, and proximity to water bodies.
From understanding seasonal temperature patterns to planning visits around optimal weather conditions, these answers provide specific data to help you prepare for Bristol weather. We've compiled information from National Weather Service records, climate databases, and local meteorological observations spanning multiple decades to ensure accuracy and reliability.
What is the current weather in Bristol?
Current weather in Bristol depends on which Bristol you're referencing. Bristol, Wisconsin typically sees temperatures from 20-40°F in winter and 60-80°F in summer. Bristol, Connecticut experiences similar ranges but with slightly milder winters averaging 28-35°F in January. Bristol, Tennessee has the warmest winters with January temperatures around 35-45°F, while summers reach 75-85°F. Bristol, Pennsylvania falls between these extremes with winter lows around 25-35°F. For real-time conditions including precipitation, wind speed, and humidity, access the National Weather Service website and enter the specific ZIP code: 53104 for Bristol WI, 06010 for Bristol CT, 37620 for Bristol TN, or 19007 for Bristol PA. Weather conditions can change rapidly, especially during transitional seasons, so checking hourly forecasts provides the most accurate planning information.
What is the average temperature in Bristol throughout the year?
Annual average temperatures vary by Bristol location. Bristol, Wisconsin averages approximately 47°F annually, with July reaching 73°F and January dropping to 22°F. Bristol, Connecticut averages 50°F yearly, with July at 76°F and January at 28°F. Bristol, Tennessee has the warmest annual average at 56°F, with July temperatures around 78°F and January at 35°F. Bristol, Pennsylvania averages 54°F annually with July at 77°F and January at 30°F. These figures represent 30-year climate normals calculated from 1991-2020 data. The warmest month across all Bristol locations is July, while January is consistently the coldest. Temperature variability is greatest in northern locations like Bristol WI, where the difference between summer and winter averages exceeds 50 degrees. Southern Bristol locations like Bristol TN experience only a 43-degree difference between seasonal extremes.
Does Bristol get a lot of snow in winter?
Snowfall amounts differ dramatically between Bristol locations. Bristol, Wisconsin receives the most snow with 40-50 inches annually, concentrated between December and March. February typically brings the heaviest accumulation with 12-15 inches. Bristol, Connecticut also receives substantial snowfall averaging 45 inches per year, with nor'easter storms occasionally dumping 18-24 inches in single events. Bristol, Pennsylvania gets moderate snowfall around 22 inches annually, with most occurring in January and February. Bristol, Tennessee receives the least snow at just 10-15 inches yearly, with some winters producing only trace amounts. The Appalachian location means Bristol TN snow often melts quickly due to warmer daytime temperatures. Lake-effect snow from Lake Michigan can significantly boost totals in Bristol WI during favorable wind patterns. According to NOAA records, the snowiest winter on record for Bristol CT was 1995-96 with 89 inches, while Bristol TN's snowiest winter was 1959-60 with 35 inches.
What is the best time to visit Bristol weather-wise?
The optimal visiting period depends on your weather preferences and which Bristol you're visiting. For Bristol, Wisconsin, late May through September offers the most pleasant conditions with temperatures in the 60-75°F range and lower precipitation than spring months. June through August is ideal for outdoor activities, though occasional severe thunderstorms occur. For Bristol, Connecticut, September and early October provide spectacular fall foliage and comfortable temperatures of 60-70°F with lower humidity than summer. Bristol, Tennessee is most pleasant from April through June and September through October, avoiding the hot, humid summers and occasional winter ice storms. The fall NASCAR race in mid-September typically features excellent weather. Bristol, Pennsylvania is best visited May through June or September through October when temperatures range from 65-75°F and humidity is manageable. Avoid visiting any Bristol location during January or February if you're averse to cold and snow, particularly the northern locations.
How accurate are 10-day weather forecasts for Bristol?
Ten-day forecast accuracy decreases significantly after day five for all Bristol locations. Days 1-3 forecasts from the National Weather Service typically achieve 85-90% accuracy for temperature predictions within 3 degrees and precipitation occurrence. Days 4-5 drop to approximately 75-80% accuracy, while days 6-10 fall to 50-60% accuracy. This degradation occurs because small errors in initial atmospheric conditions compound over time in computer forecast models. For Bristol locations in complex terrain like Bristol TN or near large water bodies like Bristol WI, forecast accuracy may be slightly lower due to localized effects that models struggle to capture. The European Centre for Medium-Range Weather Forecasts model generally performs best for days 6-10, while the American GFS model excels at shorter ranges. When planning events 7-10 days out, focus on general trends rather than specific temperatures or precipitation timing. Check forecasts daily as the event approaches for improving accuracy.
What weather radar covers Bristol locations?
Different National Weather Service radar sites cover each Bristol location. Bristol, Wisconsin falls under coverage from the KMKX radar located in Sullivan, Wisconsin, approximately 45 miles northwest. This WSR-88D NEXRAD radar provides excellent coverage with minimal beam blockage. Bristol, Connecticut is covered by the KBOX radar in Taunton, Massachusetts, about 75 miles northeast, with some supplemental coverage from the KOKX radar on Long Island. Bristol, Tennessee receives primary coverage from the KMRX radar in Knoxville, Tennessee, roughly 100 miles southwest, with the site's mountainous location sometimes creating low-level beam blockage. Bristol, Pennsylvania is covered by the KDIX radar in Mount Holly, New Jersey, approximately 30 miles southeast. All these radars update every 4-6 minutes during severe weather and can detect precipitation, storm rotation, and wind patterns. Access real-time radar imagery through weather.gov by entering your specific Bristol location. Mobile radar applications like RadarScope provide even higher resolution data for weather enthusiasts.
When is severe weather season in Bristol?
Severe weather timing varies significantly between Bristol locations. Bristol, Wisconsin experiences peak severe weather from May through August, with June and July seeing the most frequent severe thunderstorm warnings. Tornadoes are possible but relatively rare, with the area experiencing EF0-EF1 tornadoes every few years. Large hail exceeding 1 inch diameter occurs 3-5 times annually. Bristol, Connecticut faces severe weather primarily from June through August, with tropical storm remnants occasionally causing flooding and wind damage in September. Nor'easters pose winter severe weather threats with heavy snow and coastal flooding. Bristol, Tennessee has two severe weather peaks: March through May for tornadoes and severe thunderstorms, and July through August for damaging wind and hail events. The region sits in a moderate tornado risk area with several EF2+ tornadoes in surrounding counties since 2000. Bristol, Pennsylvania experiences severe weather mainly June through August, with tropical systems posing threats in August and September. Delaware River flooding can occur year-round but peaks during spring snowmelt and summer tropical events.
How does weather at Bristol Motor Speedway affect NASCAR races?
Bristol Motor Speedway weather significantly impacts race operations and fan experience. The speedway's location in a natural bowl at 1,680 feet elevation creates unique conditions. Morning fog frequently delays practice sessions during the spring race weekend in March, when overnight temperatures drop to 35-45°F and moisture settles in the valley. The fog typically burns off by mid-morning. Rain delays are most common during the spring race, with March precipitation averaging 4.5 inches and rain chances around 40% on any given day. The September night race benefits from more stable weather patterns with rain chances below 25% and comfortable temperatures of 60-70°F. However, the 2020 spring race saw highly unusual March snow that forced postponement. The speedway's concrete surface drains quickly compared to asphalt tracks, allowing racing to resume approximately 90 minutes after rain stops. Wind is rarely a factor due to the bowl's protection. NASCAR uses weather radar extensively and has postponed races when lightning strikes within 8 miles, following safety protocols.
What are the record high and low temperatures for Bristol locations?
Temperature records vary dramatically between Bristol communities. Bristol, Wisconsin recorded its all-time high of 105°F in July 1936 during the Dust Bowl era heat wave, while its record low reached -28°F in January 1985. Bristol, Connecticut's record high stands at 102°F from July 1995, with a record low of -26°F from January 1961. Bristol, Tennessee has seen temperatures reach 103°F in July 1952 and drop to -19°F in January 1985. Bristol, Pennsylvania recorded 106°F in July 1966 and -15°F in February 1934. These extreme events are rare outliers occurring during exceptional weather patterns. Most years, temperatures stay within 20 degrees of seasonal averages. Climate data from NOAA shows that record high temperatures have been set or tied more frequently than record lows since 2000 across all Bristol locations, consistent with broader warming trends. The probability of experiencing temperatures within 10 degrees of these records on any given day is less than 1%.
| Location | Annual Avg Temp | Record High | Record Low | Avg Annual Snow | Wettest Month |
|---|---|---|---|---|---|
| Bristol, WI | 47°F | 105°F (Jul 1936) | -28°F (Jan 1985) | 45 inches | June |
| Bristol, CT | 50°F | 102°F (Jul 1995) | -26°F (Jan 1961) | 45 inches | May |
| Bristol, TN | 56°F | 103°F (Jul 1952) | -19°F (Jan 1985) | 12 inches | July |
| Bristol, PA | 54°F | 106°F (Jul 1966) | -15°F (Feb 1934) | 22 inches | July |