No upcoming precipitation for the next hour.
Last update: 08:00, 9 Aug 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
Home, office, kids' school - all at once, no switching tabs.
Get notified 15 minutes before rain - while you can still change your plans.
Live radar without opening the app - on your lock screen or home screen.
Hajnowka (Hajnówka) sits at the gateway to the Bialowieza Primeval Forest, in a transitional-temperate climate with strong continental influence that brings harsher frosts and hotter summers than western Poland. A Hajnowka rain radar matters because rainfall here has been climbing: the most recent decade recorded about 725mm a year, up from 627.5mm across 1950–2003, and a hyperlocal radar is the only way to see that increase play out storm by storm rather than as a decade-long average.
The mechanism is forest-cover microclimate layered on continental exposure. The Puszcza Bialowieska moderates local extremes compared with the open Podlasie farmland around it, and most precipitation falls during the growing season, according to Bialowieza National Park climate data. That combination means a regional Podlasie forecast can miss a storm cell sitting directly over the forest while the open farmland nearby stays dry.
RainViewer draws its Hajnowka feed from IMGW, refreshed every 5 minutes, so the map reflects new radar scans rather than a forecast written hours earlier. What a live map shows and a forecast cannot: whether a cell over the Bialowieza Forest is feeding the Narew, Narewka, or Lesna before it reaches town.
Most of Hajnowka's precipitation falls during the growing season, per Bialowieza National Park climate data, aligning with the milder half of the year when bison-tourism traffic also peaks.
Spring snowmelt causes the Narew, Narewka, and Lesna rivers to overflow their banks, though the resulting high water levels are documented to recede quickly rather than causing sustained flooding.
The Bialowieza area's continental climate brings harsher winter frosts than western Poland, with the forest's average annual air temperature recorded at 6.8°C over 1955–2001, moderated somewhat by the Puszcza's own microclimate.
Hajnowka functions as the main gateway town to the Bialowieza Forest, a UNESCO World Heritage Site and European bison reserve that draws outdoor visitor traffic concentrated in the milder half of the year. Visitors checking the radar before entering the forest can see whether a cell is building over the Puszcza ahead of a bison-tracking walk.
Spring snowmelt causes the Narew, Narewka, and Lesna rivers to overflow their banks around Hajnowka, though water levels recede quickly. Anyone crossing or walking near these rivers during snowmelt season can check the radar to see whether additional rain is adding to already-elevated flows.
Forestry and wood-processing remain named traditional industries tied to the Puszcza's timber resources, work that is directly weather-exposed when conducted outdoors. Checking the radar before a work session shows whether rain over the forest is likely to interrupt it.
RainViewer draws radar data for Poland from the Institute of Meteorology and Water Management (IMGW) via danepubliczne.imgw.pl, updated every 5 minutes. Coverage is comprehensive across the country. Hajnowka sits close enough to the Bialowieza Forest and the wider Podlasie region that storm systems crossing the Puszcza are visible on the same map before they reach town.
The fastest way to know is a live hyperlocal radar, since the Bialowieza Forest's own microclimate can hold rain differently than the open Podlasie farmland around Hajnowka. RainViewer pulls fresh IMGW radar scans every 5 minutes, showing conditions as they are rather than a forecast written hours earlier.
Bison-tourism traffic through Hajnowka concentrates in the milder half of the year, and rain over the Puszcza can affect trail conditions and visibility. Checking the radar before a walk shows whether a cell is building over the forest.
Spring snowmelt causes these three rivers to overflow their banks around Hajnowka, though the high water typically recedes quickly. A radar check before a crossing shows whether additional rain is adding to already-elevated river flows.
The Narew, Narewka, and Lesna rivers are documented to overflow their banks during spring snowmelt, though the resulting high water is short-lived. No Hajnowka-specific urban flood event is separately documented beyond this seasonal river pattern.
Most precipitation falls during the growing season per Bialowieza National Park data, so visitors avoiding rain should plan bison-tracking walks around shorter forecast windows during spring and summer. Winter brings colder, more continental conditions with less rainfall.
The Puszcza Bialowieska's forest cover moderates local extremes compared with the open Podlasie farmland surrounding Hajnowka, so a storm cell can behave differently once it moves over the tree canopy. A single regional forecast cannot show that difference — only a live radar tracking conditions over the forest can.
Yes — RainViewer's hyperlocal radar for Hajnowka draws directly from IMGW, refreshing every 5 minutes with new scans instead of a periodic forecast update. The map covers the full Bialowieza Forest area, so systems approaching the Puszcza are visible before they reach town.
Yes — RainViewer's rain alerts can be set for a specific point like the Hajnowka forest gateway or the Narew riverside, so visitors and workers get a notification as a cell approaches instead of checking the map manually. That advance window lets a bison-tour guide or forestry worker plan around the rain before it arrives.
Bison-tourism visitors and forestry workers around the Bialowieza Forest both depend on knowing what a storm cell over the Puszcza is doing right now, not what a regional Podlasie forecast predicted this morning. Hajnowka's rainfall has been climbing over the past decade, making that live picture more useful than ever.
A generic forecast says scattered showers for the Hajnowka area this week. RainViewer's live hyperlocal radar shows it is already raining over the Bialowieza Forest while the town center stays dry — that is the call a bison-tour guide makes every time a forest cell builds.
Track rain in Hajnowka — free Upgrade to Essential for alerts, forecasts, and full radar history
See whether a cell building over the Bialowieza Forest clears the gateway or settles in for the next two hours.
Set an alert for the forest gateway or the Narew riverside and get notified before a system reaches it.
See whether a storm is tracking in over the Puszcza or breaking apart before it arrives.
Review the last 48 hours to see how a forest-microclimate storm system built and moved.
Track the forest gateway, the Narew riverside, and the Hajnowka town center at the same time.