Is it raining now in Kailua-Kona?
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9 JulNo upcoming precipitation for the next hour.
Last update: 15:00, 9 Jul 2026
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Rain in Kailua-Kona: What You Need to Know
Kailua-Kona, Hawaii experiences orographic rain and Kona storm season. The Kailua-Kona rain radar provides real-time precipitation data at up to 250-meter resolution, updated every 4–6 minutes from PHKI (South Kauai) / PHMO (Molokai) — giving residents, commuters, and outdoor workers the advance notice they need before conditions change. A hyperlocal radar shows the actual cell position over Kailua-Kona; a forecast shows a probability across the broader Hawaii region.
Storms in Kailua-Kona's part of Hawaii typically approach from southwest Kona or northeast trade wind. RainViewer's live map includes direction arrows that track exactly where an incoming cell is heading, so you can see whether rain will reach your neighborhood in Kailua-Kona or pass to the north or south. The 2-hour nowcast adds a forward-looking view beyond what the current radar frame shows.
Rain by Season in Kailua-Kona
Peak rain season (October–February (Kona storm season for leeward areas); year-round windward)
Kailua-Kona's most active weather aligns with October–February (Kona storm season for leeward areas); year-round windward, when orographic rain and Kona storm season drives the primary precipitation risk across this part of Hawaii. Outdoor plans, commutes, and local events in Kailua-Kona face the highest weather disruption probability during this window.
Transition months
Seasonal transitions bring variable and less predictable conditions to Kailua-Kona. A live radar is more reliable than a multi-day forecast during these windows when storm tracks and intensities shift rapidly.
Drier season (May–September leeward)
Precipitation probability drops in Kailua-Kona during May–September leeward. Outdoor activities proceed with lower weather risk, though no season is entirely rain-free in Hawaii.
Why You Need a Rain Radar in Kailua-Kona
Commuters and Drivers in Kailua-Kona
A live radar check before departure gives Kailua-Kona commuters 20+ minutes to adjust timing, avoid flood-prone road segments, or wait out a fast-moving cell. Rain events in Hawaii can create hazardous conditions quickly, and a real-time map is more actionable than a forecast probability.
Outdoor Workers and Event Organizers in Kailua-Kona
Construction, outdoor events, and recreational activities in Kailua-Kona benefit from knowing exactly when rain will arrive from southwest Kona or northeast trade wind. A 20–30 minute radar warning gives teams time to shelter equipment, complete outdoor tasks, or alert attendees before conditions deteriorate.
Residents and Visitors Planning Around Rain in Kailua-Kona
Whether planning a morning run, an outdoor dinner, or a day trip from Kailua-Kona, a live radar check replaces the uncertainty of a forecast with a real decision window. See whether the approaching cell will clear before your plans begin or whether rescheduling makes more sense.
RainViewer Radar Coverage in Kailua-Kona
RainViewer aggregates radar data for the United States from the NEXRAD network operated by NOAA's National Weather Service — 160 WSR-88D stations covering the contiguous US, Alaska, Hawaii, and US territories. Data updates every 4–6 minutes as each station completes its scan cycle. RainViewer processes and displays NEXRAD data at up to 250-meter resolution, preserving the raw scan data rather than smoothing it into regional averages. For Kailua-Kona, Hawaii, the primary NEXRAD source is PHKI (South Kauai) / PHMO (Molokai), providing hyperlocal radar coverage across the area.
Kailua-Kona Rain Radar: Frequently Asked Questions
- Does Kailua-Kona flood when it rains heavily?
Kailua-Kona, like most Hawaii communities, can experience localized flooding during intense rain events — particularly in low-lying areas near drainage channels, road underpasses, and stream corridors. Orographic rain and kona storm season means runoff can accumulate quickly. A live radar gives advance warning to avoid flood-prone areas.
- When is the rainy season in Kailua-Kona?
Kailua-Kona's primary rain season runs through October–February (Kona storm season for leeward areas); year-round windward, driven by orographic rain and Kona storm season. The driest period is typically May–September leeward, when precipitation probability is lowest and outdoor activities carry less weather risk.
- Is there a live rain radar for Kailua-Kona?
Yes — RainViewer displays live NEXRAD data for Kailua-Kona at up to 250-meter resolution, updated every 4–6 minutes from PHKI (South Kauai) / PHMO (Molokai). The map shows current precipitation, storm direction, and a 2-hour nowcast so you can track whether incoming cells will reach Kailua-Kona or pass nearby.
- Can I set a rain alert for Kailua-Kona?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Kailua-Kona, Hawaii. The alert fires when radar confirms rain approaching your specific pin — more precise than a general area warning.
Track Rain in Kailua-Kona in Real Time
Rain in Kailua-Kona moves fast — a live radar gives you the advance window a forecast probability cannot.
Forecasts cover Hawaii broadly. RainViewer shows the exact cell position over Kailua-Kona, updated every 4–6 minutes from PHKI (South Kauai) / PHMO (Molokai).
Your weather app shows rain likely near Kailua-Kona. RainViewer shows the cell is southwest of Kailua-Kona and arriving in minutes.
Track rain in Kailua-Kona — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
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Direction arrows
storms approach Kailua-Kona from southwest Kona or northeast trade wind
48 hours of radar history
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