What should you know about Lawrence's weather?
- NWS office
- Boston/Norton (BOX)
- Climate
- Hot-summer humid continental
- Time zone
- EST/EDT
- Elevation
- 44 ft
- Coordinates
- 42.71° N, 71.16° W
- Nearest radar
- KBOX · Boston NEXRAD · 52 mi
- County
- Essex County, MA
- Yearly rain
- 40.9 in
- Warmest month
- July · 73.2°F average
- Coldest month
- January · 27.1°F average
- Severe storm peak
- Jun to Aug
How much rain does Lawrence get each month?
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 34.8 | 37.5 | 45.3 | 57.7 | 68.5 | 77.3 | 83.2 | 81.6 | 73.8 | 61.8 | 50.6 | 40.1 |
| Low °F | 19.3 | 20.6 | 28.1 | 37.6 | 47.6 | 57.1 | 63.2 | 61.7 | 53.9 | 42.7 | 33.9 | 25.2 |
| Rain (in) | 2.86 | 2.44 | 3.42 | 3.60 | 3.39 | 3.99 | 3.48 | 3.04 | 3.75 | 4.10 | 3.52 | 3.32 |
| Month | High °F | Low °F | Rain (in) |
|---|---|---|---|
| Jan | 34.8 | 19.3 | 2.86 |
| Feb | 37.5 | 20.6 | 2.44 |
| Mar | 45.3 | 28.1 | 3.42 |
| Apr | 57.7 | 37.6 | 3.60 |
| May | 68.5 | 47.6 | 3.39 |
| Jun | 77.3 | 57.1 | 3.99 |
| Jul | 83.2 | 63.2 | 3.48 |
| Aug | 81.6 | 61.7 | 3.04 |
| Sep | 73.8 | 53.9 | 3.75 |
| Oct | 61.8 | 42.7 | 4.10 |
| Nov | 50.6 | 33.9 | 3.52 |
| Dec | 40.1 | 25.2 | 3.32 |
LAWRENCE MUNI AP, MA US · 2 mi away · NOAA NCEI U.S. Climate Normals 1991 to 2020
What should you watch on the Lawrence radar?
Lawrence weather radar is more useful when you read it with the local map in mind. Lawrence sits in Essex County. Compare cells near Merrimack River corridor, I-495, MA-28 / Broadway, MA-110 / Haverhill St, and Spicket River before you trust a broad regional forecast. A small storm cell can still matter here. It might miss one side of Essex County but hit a commute route, work site, school pickup, or outdoor event. Watch cells that build near Merrimack River or move across I-495.
Around Lawrence, the map is shaped by Merrimack River corridor. Watch for heavy rain and runoff that can cause localized flooding or flash flooding, thunderstorms and outflow winds, and snow bands and mixed precipitation. Warnings and forecast products come from WFO BOX; KBOX provides radar observations. Pair the map with NWS watches and warnings when storms strengthen, because radar shows motion while alerts explain the threat. If cells are building near Lawrence Heritage State Park, check their direction before assuming conditions will stay quiet across town.
Seasonality changes the radar check. In spring, watch for rapid snowmelt runoff into the Merrimack and Spicket rivers, coupled with spring rain. Summer is different: track high humidity, heavy afternoon thunderstorms, and potential for flash flooding in urban areas. Fall often brings strong cold fronts, tropical systems, and gusty winds along the river valley, while winter can bring heavy snow bands, ice storms, and slick spots on I-495 and MA-28. Check more often on unstable days. That seasonal mix is why local radar checks in Lawrence need more context than a statewide forecast.
Local geography changes how the radar should be read. Roads such as I-495, MA-28 / Broadway, MA-110 / Haverhill St matter because precipitation timing is often a travel question, not just a forecast question. Lawrence Heritage State Park helps outdoor users judge whether nearby rain is moving toward them or sliding past. Lawrence Municipal Airport can also reflect visibility, wind, and storm timing concerns. Lawrence also sits by the Merrimack River corridor, so heavy rain and storm motion can matter for river-adjacent roads as much as for open neighborhoods. River corridors, low spots, and nearby road cuts can see different visibility, runoff, and storm timing than the rest of town.
What matters first changes by season. Around Lawrence, start with heavy rain and runoff that can cause localized flooding or flash flooding, thunderstorms and outflow winds, and snow bands and mixed precipitation. In spring, the map can help spot runoff-producing rain. In summer and early fall, radar helps with outflow boundaries and fast-building storms. In winter, check whether snow or ice may affect local travel corridors before heading out.
For daily use, start with the live radar, then compare it with the next few hours. Compare storm movement with I-495 when travel timing matters. If storms are moving faster than expected, the 7-day forecast will not show every short-term change; the radar loop is the better tool for timing rain, nearby thunderstorms, and visibility changes near Lawrence.
Before leaving, open the Lawrence radar and check the direction of nearby cells. Then compare it with the hourly forecast. If storms are moving toward Essex County, give yourself more time, choose a safer route, or wait until the strongest returns pass. Simple, but useful.
Data sources used for this page include WFO BOX, NWS forecast grid, NEXRAD radar imagery, Open-Meteo forecast data, and OpenStreetMap local geography. No single source tells the whole story. Together, they keep the page grounded in local geography and current forecast data.
What else do people ask about the Lawrence radar?
When should I check Lawrence weather radar?
Check Lawrence weather radar before travel, outdoor work, school pickup, or events when clouds are building near Lawrence. Radar is most useful when conditions are changing faster than the daily forecast.
What NWS office covers Lawrence?
WFO BOX is the main National Weather Service reference for warnings and forecast context near Lawrence. Use local radar together with NWS watches, warnings, and forecast discussions during active weather.
What radar risks matter most near Lawrence?
On Lawrence radar, the first things to watch are heavy rain and runoff that can cause localized flooding or flash flooding, thunderstorms and outflow winds, and snow bands and mixed precipitation. Watch how cells move over nearby roads, river crossings, low spots, and open areas because local impacts can appear before broader forecasts change.
How does seasonal weather affect Lawrence radar checks?
Seasonal patterns change what to watch. Spring often means rapid snowmelt runoff into the Merrimack and Spicket rivers, coupled with spring rain; summer can bring high humidity, heavy afternoon thunderstorms, and potential for flash flooding in urban areas; fall brings strong cold fronts, tropical systems, and gusty winds along the river valley; winter may bring heavy snow bands, ice storms, and slick spots on I-495 and MA-28.
Why check radar before driving I-495 near Lawrence?
I-495 can be affected by short-lived showers, storms that may produce lightning, gusty wind, or low visibility even when conditions look quiet nearby. Radar helps show whether weather is crossing the route or staying away.
Quick facts
- Radar: KBOX (Boston NEXRAD), a new frame every 5 minutes
- Forecasts and warnings: NWS Boston/Norton (BOX)
- Severe storms peak from June to August (NOAA Storm Events, 1996 to 2025)
- Local time: EST/EDT
- Radar: KBOX, a new frame every 5 minutes
- Warnings: NWS Boston/Norton (BOX)
- Severe storms: June to August
- Local time: EST/EDT
Where does this data come from?
- NOAA NEXRAD radar via Iowa Environmental Mesonet
- National Weather Service, Boston/Norton office
- NOAA NCEI U.S. Climate Normals 1991 to 2020: LAWRENCE MUNI AP, MA US
- NOAA NCEI Storm Events Database, 1996 to 2025
- USGS Elevation Point Query Service
- GOES-East satellite imagery
- Open-Meteo forecast API
- OpenStreetMap contributors