worldweather28°Ccooler than usual
usually 28°C–29°C
cooler than 88% of similar days
night: cooler than usual
rain: typical rainfall
wind: typical
Weather in Northern Mariana Islands - today, tomorrow and 14-day forecast
Right now temperatures across Northern Mariana Islands range from 28° to 28°. 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 Northern Mariana Islands
today🌧️
28°💧 8.5 mm
Sun🌧️
26°💧 5.3 mm
Mon🌧️
28°💧 7.9 mm
Tue🌧️
29°💧 0.8 mm
Wed🌧️
29°💧 8.4 mm
Thu🌧️
29°💧 14.7 mm
Fri🌧️
28°💧 9.4 mm
Sat🌧️
28°💧 9.3 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.
Sunday 6 Sept in Northern Mariana Islands, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 28°C to 29°C, so it will be exceptionally cool. It is cooler than 99% of similar days.
26°Cexceptionally cool
usually 28°C–29°C
cooler than 99% of similar days
night: exceptionally cool
rain: typical rainfall
wind: stronger than usual
28°Ccooler than usual
usually 28°C–29°C
cooler than 82% of similar days
night: near normal
rain: typical rainfall
wind: typical
29°Cnear normal
usually 28°C–29°C
night: warmer than usual
rain: exceptionally dry
wind: lighter than usual
29°Cnear normal
usually 28°C–29°C
night: near normal
rain: typical rainfall
wind: typical
29°Cnear normal
usually 28°C–29°C
night: warmer than usual
rain: more rain than usual
wind: typical
28°Cexceptionally cool
usually 28°C–29°C
cooler than 94% of similar days
night: exceptionally cool
rain: typical rainfall
wind: stronger 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 29°C by day. The coolest year was 2001 (28°C) and the warmest was 2022 (30°C). The current forecast averages 28°C - lower than in 87% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Northern Mariana Islands
Northern Mariana Islands 30 & 45-day weather - long-range outlook
Next 16 days · forecast
28°
around 28° at night · days with rain: 15
Weeks 3-4 · avg for September
31°
around 26° at night · rain chance 82%
Weeks 5-7 · avg for October
30°
around 26° at night · rain chance 78%
The 30 & 45-day outlook for Northern Mariana Islands: the next 16 days are a numerical forecast updated daily - on average 28° by day and 28° at night. Further out we rely on multi-year climate averages: around 31° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Northern Mariana Islands
Saturday5 September 2026
🌧️28°moderate rain
Sunday6 September 2026
🌧️26°moderate rain
Monday7 September 2026
🌧️28°moderate rain
Tuesday8 September 2026
🌧️29°light rain
Wednesday9 September 2026
🌧️29°light rain
Thursday10 September 2026
🌧️29°moderate rain
Friday11 September 2026
🌧️28°moderate rain
Saturday12 September 2026
🌧️28°light rain
Sunday13 September 2026
🌧️28°light rain
Monday14 September 2026
🌧️28°moderate rain
Tuesday15 September 2026
🌧️29°light rain
Wednesday16 September 2026
🌧️28°moderate rain
Thursday17 September 2026
☀️28°clear sky
Friday18 September 2026
☀️28°clear sky
Saturday19 September 2026
🌧️28°light rain
Sunday20 September 2026
🌧️28°light rain
Sea temperature - Northern Mariana Islands
Water today
30°C
Week avg
30°C
Waves today
1.4 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? |
|---|---|---|---|---|
| Saipan | 30℃ | 30℃ | 1.2 m | very warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Northern Mariana Islands weather through the year
Northern Mariana Islands weather month by month - when is the best time to go?
Weather in other countries in Oceania
FAQ - Northern Mariana Islands weather
What is the weather like in Northern Mariana Islands today?
Today it is about 28° during the day and 27° at night, moderate rain.
How far ahead can I check the forecast for Northern Mariana 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.