Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: N/A, Set: N/A, Transit: 11:43. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:16 - 09:09. Nautical Dark: 15:48 - 07:37. Astro Dark: 17:01 - 06:24

Total Clouds (% Sky Obscured)

100
97
98
89
90
81
63
97
87
82
82
82
38
79
75
88
86
94
34
69
65
48
65
74

Low Clouds (% Sky Obscured)

93
95
86
89
87
81
59
94
77
62
64
76
38
79
70
74
63
84
34
69
65
48
62
70

Medium Clouds (% Sky Obscured)

34
23
4
0
1
1
1
1
1
1
2
22
20
1
2
12
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
57
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
5
1
0
0
1
1
1
0
0
0
4
3
0
1
0
0
0
9
9
7
7
1
2

Fog (%)

0
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
0
0
1
1
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
0
0
48
40
42
45
48
37
46
38
40
39
37
32
35
36
31
35
31
27
28
30
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
5
4
2
1
2
2
2
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
1
1
1
1
1
0
1
1
0
0
0
1
0
0
0
-1
-1

Feels Like (°C)

-2
-2
-3
-2
-3
-3
-3
-3
-4
-3
-4
-4
-5
-2
-3
-4
-4
-4
-4
-3
-4
-4
-4
-5

Dew Point (°C)

2
1
1
1
1
2
1
1
0
0
-0
0
-1
0
0
-1
-0
-0
-1
-1
-1
-1
-2
-2

Relative Humidity (%)

94
91
91
96
98
98
96
96
94
94
94
93
91
94
94
94
96
96
92
92
94
94
94
96

Pressure (mb)

1009
1010
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1024
1024

Ozone (du)

301
307
315
319
318
313
311
308
307
306
305
303
299
294
297
298
304
317
318
319
322
321
317
317

Monday 22

Waxing Crescent 6%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: N/A, Set: N/A, Transit: 11:43. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:17 - 09:09. Nautical Dark: 15:49 - 07:37. Astro Dark: 17:02 - 06:24

Total Clouds (% Sky Obscured)

88
89
88
81
72
64
59
55
49
50
51
44
72
91
100
98
99
98
96
100
99
100
100
98

Low Clouds (% Sky Obscured)

87
89
88
81
72
64
59
54
42
6
8
5
7
19
24
27
30
30
34
45
46
44
46
48

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
3
3
18
28
30
41
52
63
67
74
72
80
76
77
90
96
43

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
12
49
50
11
4
50
67
91
91
90
94
73
92
86
86
76
65

ISS Passover

Visibility (miles)

2
3
3
3
3
4
4
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
18
15
6
1
0
0
0
0
0
0
0
1
5
15
20
19
23
27
27
14
7
3
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
2
2
2
2
3
5
5
5
4
4
3
3
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

-1
-1
-1
-2
-2
-3
-4
-4
-5
-6
-6
-6
-5
-5
-4
-4
-5
-4
-4
-4
-2
-2
-1
-1

Feels Like (°C)

-5
-5
-6
-6
-7
-7
-8
-8
-10
-10
-9
-9
-9
-9
-8
-9
-9
-9
-9
-8
-7
-7
-6
-5

Dew Point (°C)

-1
-2
-2
-2
-3
-4
-5
-5
-7
-7
-7
-8
-8
-8
-7
-8
-8
-9
-9
-8
-7
-7
-6
-6

Relative Humidity (%)

94
94
94
94
91
91
92
90
89
87
87
85
82
81
79
76
75
72
70
69
69
68
68
67

Pressure (mb)

1024
1025
1025
1026
1027
1027
1028
1028
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028

Ozone (du)

324
331
333
333
333
333
331
326
322
317
313
310
308
306
304
304
301
296
294
293
293
292
293
292

Tuesday 23

Waxing Crescent 11%

13:02

16:20

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: N/A, Set: N/A, Transit: 11:44. Moon - Rise: 13:02, Set: 16:20. Civil Dark: 14:18 - 09:09. Nautical Dark: 15:50 - 07:37. Astro Dark: 17:02 - 06:25

Total Clouds (% Sky Obscured)

97
97
94
94
96
87
92
80
66
70
71
85
76
28
20
18
6
9
1
1
2
2
4
9

Low Clouds (% Sky Obscured)

47
48
35
30
33
25
45
51
44
30
14
28
16
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
5
4
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

65
65
65
70
75
84
82
49
41
70
71
85
76
28
20
18
6
9
1
1
2
2
4
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
3
3
2
2
3
3
3
3
3
3
3
2
3
2
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

-1
1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-3
-3
-4
-4
-4
-5
-5
-5
-4
-4
-5
-5

Feels Like (°C)

-5
-4
-5
-5
-6
-7
-6
-6
-6
-6
-7
-8
-8
-8
-8
-8
-8
-9
-9
-8
-8
-8
-8
-10

Dew Point (°C)

-6
-6
-7
-7
-8
-8
-8
-7
-7
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9

Relative Humidity (%)

65
64
63
63
62
62
63
66
66
67
68
69
71
69
69
69
69
69
70
69
70
70
70
72

Pressure (mb)

1028
1028
1028
1028
1028
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

291
290
288
289
292
293
293
292
292
293
291
288
288
292
297
301
300
296
293
295
294
294
293
289

Wednesday 24

Waxing Crescent 19%

12:12

18:47

04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: N/A, Set: N/A, Transit: 11:44. Moon - Rise: 12:12, Set: 18:47. Civil Dark: 14:19 - 09:10. Nautical Dark: 15:50 - 07:38. Astro Dark: 17:03 - 06:25

Total Clouds (% Sky Obscured)

19
30
38
57
73
87
88
86
100
96
81
83
90
92
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
17
26
29
29
29
37
50
83
83
72
78
74
44
28
31
83
84
83
80
82
82
80
80

Medium Clouds (% Sky Obscured)

0
0
0
22
47
75
83
86
80
58
35
12
30
44
57
73
76
92
95
97
100
87
72
52

High Clouds (% Sky Obscured)

19
30
8
5
6
14
22
15
10
11
2
5
90
78
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
0
0
1
1
3
9
1
1
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
3
18
41
54
46
48
32
37
39
50
82
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0.4
0.8
1.2
1.6
1.7
1.4
1.6
1.7
1.8

Wind Speed/Direction (mph)

3
3
3
2
2
2
3
3
4
6
7
8
9
8
6
8
11
16
18
17
19
19
16
14

Chance of Frost

Temperature (°C)

-5
-5
-4
-4
-3
-2
-1
-1
-0
2
3
3
2
2
0
1
2
2
3
3
3
3
3
3

Feels Like (°C)

-9
-9
-9
-8
-6
-5
-4
-4
-4
-3
-2
-3
-3
-4
-4
-5
-5
-7
-6
-5
-6
-5
-4
-3

Dew Point (°C)

-10
-10
-10
-10
-8
-5
-4
-3
-1
1
1
1
1
-0
-1
-1
0
1
2
2
2
3
2
3

Relative Humidity (%)

72
69
65
61
68
78
84
86
92
91
89
88
88
86
89
86
88
93
93
94
94
96
94
96

Pressure (mb)

1028
1028
1027
1027
1026
1025
1024
1024
1024
1022
1022
1022
1022
1022
1021
1020
1019
1018
1016
1015
1014
1013
1013
1012

Ozone (du)

289
294
295
294
290
286
282
277
274
282
288
289
288
290
280
280
277
274
275
276
276
275
273
277

Thursday 25

Waxing Crescent 28%

11:44

20:49

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: N/A, Set: N/A, Transit: 11:45. Moon - Rise: 11:44, Set: 20:49. Civil Dark: 14:20 - 09:09. Nautical Dark: 15:51 - 07:38. Astro Dark: 17:04 - 06:25

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
99
98
96
98
99
88
100
100
100
98
96
95
96
98
100
99
98
97

Low Clouds (% Sky Obscured)

81
81
82
80
75
77
78
80
81
87
94
88
100
100
100
77
78
77
85
93
100
97
93
90

Medium Clouds (% Sky Obscured)

54
54
60
73
87
100
85
62
48
24
10
0
6
8
11
5
4
2
2
2
1
2
2
4

High Clouds (% Sky Obscured)

100
99
100
98
97
90
14
10
1
3
8
8
15
21
27
1
3
4
32
60
92
84
76
68

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
92
64
24
25
20
24
26
29
34
41
50

Precipitation Amount (mm)

1.5
1.8
2.8
2.6
2.8
3.6
2.6
2.5
3
1.4
1.1
1.2
0.7
0.6
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
8
6
5
5
5
6
8
9
9
9
7
5
5
5
4
5
4
5
3
3
2
2
2

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
3
3
3
2
3
3
5
5
3
3
3
3
4
4
4
5

Feels Like (°C)

-2
-2
-2
-2
-1
-2
-2
-3
-3
-3
-3
-3
-2
-2
-1
0
-2
-1
-1
-1
-1
-0
-0
1

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
2
2
3
3
4
5
2
2
2
3
3
4
4
4

Relative Humidity (%)

96
98
98
100
98
98
98
98
98
98
98
100
98
100
98
98
98
96
96
96
96
98
94
94

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1017
1018
1017
1017
1018
1018
1019
1019
1019
1019

Ozone (du)

276
273
269
267
270
270
269
269
270
269
266
263
259
257
255
252
248
245
241
242
243
243
243
243

Friday 26

Waxing Crescent 38%

11:22

22:45

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: N/A, Set: N/A, Transit: 11:45. Moon - Rise: 11:22, Set: 22:45. Civil Dark: 14:21 - 09:09. Nautical Dark: 15:52 - 07:38. Astro Dark: 17:05 - 06:25

Total Clouds (% Sky Obscured)

96
94
93
86
79
73
82
91
100
100
100
100
96
92
87
66
45
24
42
60
78
84
89
95

Low Clouds (% Sky Obscured)

91
92
93
86
79
73
82
89
92
92
90
89
78
65
49
44
39
24
42
58
71
79
87
94

Medium Clouds (% Sky Obscured)

7
11
14
9
5
0
0
0
0
7
15
18
19
20
21
15
12
10
19
28
40
40
40
40

High Clouds (% Sky Obscured)

52
37
21
15
9
5
11
17
18
22
30
41
50
59
68
46
24
1
1
0
0
1
1
1

ISS Passover

Visibility (miles)

2
4
6
9
9
9
9
6
3
1
4
6
9
9
9
9
7
5
2
2
1
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow

Precipitation Probability (%)

49
47
39
41
40
36
40
41
23
37
35
19
35
38
22
45
57
68
91
95
95
95
95
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.8
1.2
1.1
0.7
0.2

Wind Speed/Direction (mph)

2
2
1
1
1
1
0
2
3
4
3
3
2
2
2
2
3
3
3
2
2
3
5
7

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
6
6
5
5
5
4
4
3
2
2
2
2
2
1
1
-1
-1
-3

Feels Like (°C)

0
1
2
2
1
1
1
2
1
2
1
0
-0
-1
-2
-1
-2
-1
-1
-2
-3
-4
-5
-5

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
3
3
2
1
-0
-0
0
0
0
-0
-1
-2
-3
-4

Relative Humidity (%)

93
91
91
91
91
91
91
91
91
90
88
88
86
86
85
85
86
86
88
91
91
92
91
89

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1015
1014
1013
1011
1009
1007
1005
1005
1005
1005
1005
1004

Ozone (du)

242
244
247
249
253
257
261
262
263
264
267
271
274
276
278
280
287
294
302
319
337
354
368
382

Saturday 27

First Quarter 49%

11:02

00:43

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: N/A, Set: N/A, Transit: 11:46. Moon - Rise: 11:02, Set: 00:43. Civil Dark: 14:22 - 09:09. Nautical Dark: 15:53 - 07:38. Astro Dark: 17:06 - 06:25

Total Clouds (% Sky Obscured)

91
88
84
89
94
99
100
100
100
100
100
100
100
100
100
99
98
98
99
99
100

Low Clouds (% Sky Obscured)

89
85
80
82
85
87
88
88
88
89
90
91
89
92
97
98
98
98
99
98
97

Medium Clouds (% Sky Obscured)

39
37
32
44
58
73
82
91
99
100
100
100
98
96
93
67
41
15
16
17
17

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
23
44
61
71
76
80

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
6
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

68
69
62
75
79
79
81
81
75
79
76
66
69
67
59
64
69
77
72
70
72

Precipitation Amount (mm)

0.2
0.3
0.2
0.4
0.4
0.4
0.4
0.4
0.3
0.5
0.4
0.2
0.3
0.3
0.2
0.3
0.3
0.5
0.4
0.4
0.5

Wind Speed/Direction (mph)

9
7
6
4
7
9
12
12
13
13
14
14
14
12
11
10
10
8
8
9
7

Chance of Frost

Temperature (°C)

-4
-4
-3
-3
-3
-3
-3
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-6

Feels Like (°C)

-6
-6
-5
-5
-9
-9
-9
-9
-9
-9
-11
-12
-12
-12
-11
-11
-11
-10
-9
-9
-10

Dew Point (°C)

-5
-5
-4
-4
-4
-4
-5
-5
-6
-6
-6
-6
-6
-6
-6
-7
-6
-6
-6
-7
-7

Relative Humidity (%)

89
89
91
92
91
91
89
89
89
89
90
90
90
89
89
87
87
89
89
89
89

Pressure (mb)

1004
1004
1005
1005
1006
1007
1009
1010
1012
1014
1015
1016
1017
1017
1018
1019
1019
1020
1020
1020
1019

Ozone (du)

395
402
408
414
411
408
405
402
399
396
384
373
361
357
354
350
346
343
339
338
337

Forecast for Abisko, Kiruna Kommun, Kingdom of Sweden (68.35,18.83)

Generated: 21/12/25 04:38:59. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00