worldweather29°Cwarmer than usual
usually 27°C–29°C
warmer than 78% of similar days
night: warmer than usual
rain: exceptionally wet
wind: lighter than usual
Weather in Solomon Islands - today, tomorrow and 14-day forecast
Right now temperatures across Solomon Islands range from 29° to 29°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Country values are the median of forecasts from 1 cities; the range shows local differences. Methodology.
Next days in Solomon Islands
today🌧️
29°💧 9.5 mm
Sun🌧️
29°💧 19.3 mm
Mon🌧️
28°💧 10.5 mm
Tue☁️
29°💧 17.8 mm
Wed☁️
28°💧 8.8 mm
Thu🌧️
29°💧 1.5 mm
Fri🌧️
29°💧 20.9 mm
Sat🌧️
25°💧 143.9 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Friday 11 Sept in Solomon Islands, the forecast high is 29°C. Typical daytime temperatures at this time of year range from 28°C to 29°C, so it will be warmer than usual. It is warmer than 89% of similar days.
29°Cwarmer than usual
usually 27°C–29°C
warmer than 74% of similar days
night: exceptionally warm
rain: exceptionally wet
wind: exceptionally light
28°Cnear normal
usually 27°C–29°C
night: near normal
rain: exceptionally wet
wind: exceptionally light
29°Cwarmer than usual
usually 27°C–29°C
warmer than 73% of similar days
night: cooler than usual
rain: exceptionally wet
wind: exceptionally light
28°Cnear normal
usually 27°C–29°C
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
29°Cwarmer than usual
usually 27°C–29°C
warmer than 71% of similar days
night: warmer than usual
rain: typical rainfall
wind: exceptionally light
29°Cwarmer than usual
usually 28°C–29°C
warmer than 89% of similar days
night: exceptionally warm
rain: exceptionally wet
wind: lighter than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 2019 (26°C) and the warmest was 1983 (31°C). The current forecast averages 29°C - higher than in 73% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Solomon Islands
Solomon Islands 30 & 45-day weather - long-range outlook
Next 16 days · forecast
28°
around 24° at night · days with rain: 14
Weeks 3-4 · avg for September
32°
around 31° at night · rain chance 0%
Weeks 5-7 · avg for October
27°
around 26° at night · rain chance 0%
The 30 & 45-day outlook for Solomon Islands: the next 16 days are a numerical forecast updated daily - on average 28° by day and 24° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 27° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Solomon Islands
Saturday5 September 2026
🌧️29°moderate rain
Sunday6 September 2026
🌧️29°moderate rain
Monday7 September 2026
🌧️28°moderate rain
Tuesday8 September 2026
☁️29°overcast clouds
Wednesday9 September 2026
☁️28°overcast clouds
Thursday10 September 2026
🌧️29°light rain
Friday11 September 2026
🌧️29°moderate rain
Saturday12 September 2026
🌧️25°very heavy rain
Sunday13 September 2026
🌧️26°heavy rain
Monday14 September 2026
🌧️28°moderate rain
Tuesday15 September 2026
🌧️29°moderate rain
Wednesday16 September 2026
🌧️30°light rain
Thursday17 September 2026
🌧️30°moderate rain
Friday18 September 2026
🌧️25°very heavy rain
Saturday19 September 2026
🌧️28°light rain
Sunday20 September 2026
🌧️28°light rain
Sea temperature - Solomon Islands
Water today
28°C
Week avg
28°C
Waves today
0.9 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Honiara | 28℃ | 28℃ | - | very warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Solomon Islands weather through the year
Solomon Islands weather month by month - when is the best time to go?
Weather in other countries in Oceania
FAQ - Solomon Islands weather
What is the weather like in Solomon Islands today?
Today it is about 29° during the day and 25° at night, moderate rain.
How far ahead can I check the forecast for Solomon Islands?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.