Northern Lights in Norway Tonight

Can you see the northern lights in Norway? Yes, above all in the north. Tromsø, at magnetic latitude 67.5°, is poleward of the aurora oval’s edge even at Kp 0, and so are Alta and Bodø; Trondheim needs Kp 2− and Oslo 3+. Tromsø has no dark night from April to August, and 16 hours of darkness in mid-December.

Type where you are: the Kp your spot needs, NOAA’s forecast for your dark hours tonight and the next two nights, the moon, and which way to look.

Fairbanks, AK · magnetic latitude 65.7°

You need Kp 0+By NOAA’s rule the aurora’s edge reaches Fairbanks at Kp 0+. Loading NOAA’s forecast for tonight…

Kp you need: 0+ overhead
Look toward: north-northeast

Kp forecast: NOAA Space Weather Prediction Center. Places: GeoNames.

The forecast above opens on Tromsø, Troms, NO: type your own town, or use your location, for tonight’s answer where you are.

What Kp does Norway need?

NOAA’s rule: “At Kp = 0, the equator ward edge of the auroral oval is approximately 66 degrees.” “And it moves equatorward about 2 degrees for each level of Kp.” That is in magnetic latitude — NOAA: “This relationship holds true in geomagnetic latitude, not geographic.” — so a town needs a Kp of (66 − its magnetic latitude) ÷ 2. In a big storm the aurora can also be seen from farther away, low on the horizon: NOAA’s storm scale says how low it “has been seen” at Kp 6 to 9.

Town	Magnetic latitude	Kp overhead	Low on the horizon	Days per 11-year cycle	Look toward
Tromsø, Troms, NO	67.5°	any (0)	–	–	north-northwest
Alta, Finnmark, NO	67.2°	any (0)	–	–	north-northwest
Bodø, Nordland, NO	66.0°	any (0)	–	–	north-northwest
Trondheim, Trøndelag, NO	63.1°	2−	–	–	north-northwest
Oslo, NO	59.7°	3+	–	–	north-northwest

The farther toward the magnetic pole, the lower the Kp: Tromsø needs the least of these towns and Oslo the most. NOAA adds a warning worth keeping: “It should be noted that the relationship between Kp and auroral latitude are approximate and represent averages.”

When is it dark enough in Norway?

NOAA: “The aurora is not visible during daylight hours.” These are the hours with the Sun 12° or more below the horizon (the end of nautical twilight) on the night after the 15th of each month. Tromsø has none from April to August. “The best Seasons for aurora watching are around the spring and fall equinoxes.”

Month	Tromsø	Alta
January	15.2 h	15.2 h
February	12 h	12 h
March	8 h	7.8 h
April	0 h	0 h
May	0 h	0 h
June	0 h	0 h
July	0 h	0 h
August	0 h	0 h
September	5.7 h	5.7 h
October	10.5 h	10.5 h
November	14 h	14.2 h
December	16 h	16.2 h

Plan it

FAQ

Can you see the northern lights in Norway?

Yes, when the Kp is high enough and the night is dark and clear. By NOAA’s rule, Tromsø needs no Kp at all, Alta needs no Kp at all, Bodø needs no Kp at all, Trondheim needs Kp 2−, Oslo needs Kp 3+. NOAA’s storm scale counts days only from Kp 5 (G1), and Tromsø needs none: by NOAA’s rule the aurora’s edge is poleward of it even at Kp 0.

Can I see the northern lights tonight in Norway?

Only NOAA’s forecast for tonight can say: the tool at the top of this page reads it for Tromsø (or your own town) and compares it with what Tromsø needs: no Kp at all. Look north-northwest, away from city lights; NOAA: “Best aurora is usually within an hour or two of midnight (between 10 PM and 2 AM local time).”

When is the best time to see the northern lights in Norway?

Not from April to August: Tromsø has no night dark enough then, and NOAA: “So combining a summer vacation to the arctic with aurora watching usually doesn’t work.” Tromsø has its longest nights in December (16 hours of darkness). NOAA adds: “The best Seasons for aurora watching are around the spring and fall equinoxes.”

What Kp do you need to see the northern lights in Norway?

Tromsø, at magnetic latitude 67.5°: none, the edge is poleward of it at Kp 0; Alta, at magnetic latitude 67.2°: none, the edge is poleward of it at Kp 0; Bodø, at magnetic latitude 66.0°: none, the edge is poleward of it at Kp 0; Trondheim, at magnetic latitude 63.1°: Kp 2− overhead; Oslo, at magnetic latitude 59.7°: Kp 3+ overhead. The rule is NOAA’s: the oval’s edge is at about 66° magnetic latitude at Kp 0 and moves about 2° toward the equator for each level of Kp.

Can you see the northern lights in Oslo?

Sometimes. By NOAA’s rule Oslo needs Kp 3+. NOAA’s storm scale counts days only from Kp 5 (G1), and Oslo needs less; NOAA: “It should be noted that if you are in the right place under the aurora, you can see very nice auroral displays even with low geomagnetic activity (Kp = 3 or 4).” Its own lights make it harder: NOAA says “Get away from city lights.”

How these numbers are made

Magnetic latitude is the dipole’s, with the pole from the IGRF-14 coefficients (NOAA NCEI / IAGA). The Kp overhead is NOAA’s rule, “low on the horizon” and the days per cycle are NOAA’s storm scale, and tonight’s Kp in the tool is NOAA’s 3-day forecast. Darkness is the Sun’s position, computed for 2026. Towns: GeoNames (CC BY 4.0). Rules checked 2026-09-27.