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Last update: 23:00, 5 Jun 2026
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Chachoengsao Rain Radar — Live Weather Map | RainViewer
Live rain radar for Chachoengsao, updated every 5 min. See Bang Pakong basin cells before they reach your rice harvest or close Highway 304. Free.
Rain in Chachoengsao: What You Need to Know
Chachoengsao sits at the convergence of the Bangkok metropolitan sprawl and the Eastern Seaboard industrial belt. The Bang Pakong River, which runs through the province, has a documented history of flooding that affects both agricultural lowlands and the industrial estate roads connecting to the Laem Chabang complex. Rain that falls in the mountains of Nakhon Nayok and Prachin Buri reaches Chachoengsao's lowlands hours later.
The province is a significant jasmine rice producer — fields in the central and northern districts time planting and harvest directly around the monsoon rhythm. A cell that stalls over the province in late October can flood fields that are days from harvest.
RainViewer Radar Coverage in Chachoengsao
RainViewer combines eastern Thailand radar for Chachoengsao. From here, you can track rain in Bangkok, Chon Buri, and Prachin Buri — useful if you're driving Highway 304 east or monitoring the Bang Pakong catchment.
Wet season (May–October)
Afternoon storms from late May, peaking in August and September.
Transition months (May and October)
October is the harvest transition — the timing of the last rain events is critical.
Dry season (November–April)
Minimal rainfall; Highway 304 is clear.
Why You Need a Rain Radar in Chachoengsao
Timing rice harvest in the central districts
Farmers cutting in late October need to see whether the afternoon cell will reach their fields before the cutting crew finishes.
Managing logistics on Highway 304 toward the Eastern Seaboard
Rain that floods the lowland sections near Kabin Buri creates delays for freight in both directions.
Monitoring upstream rain for the Bang Pakong flood risk
Rain in Prachin Buri and Nakhon Nayok travels down the Bang Pakong and reaches Chachoengsao hours later. Seeing the radar picture upstream gives riverside residents early warning.
Chachoengsao Rain Radar: Frequently Asked Questions
- How often does the RainViewer map update for Chachoengsao?
Every 5 minutes.
Track Rain in Chachoengsao in Real Time
See rain in Chachoengsao before it floods your field or your route
Whether you're timing a rice harvest or planning the Highway 304 commute, RainViewer gives you street-level precision updated every 5 minutes.
2-hour forecast in 5-min slices
See the exact window when the storm passes and the soil is passable again
Rain alerts before rain arrives
Set home, office, or school pickup - notified while you can still act
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See whether the cell is moving toward you or tracking away
48 hours of radar history
Recognise yesterday’s storm patterns forming again today
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