Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 91%

No Rise

No Set

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

Sun - Rise: N/A, Set: N/A, Transit: 12:53. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
87
84
74
60
44
45
58
46
34
37
35
59
46
55
61
22
34
55
32
28
26
32
34

Low Clouds (% Sky Obscured)

14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

40
85
82
71
51
37
37
50
45
38
42
38
43
32
38
50
25
17
47
14
9
7
8
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

Fog (%)

-
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 (%)

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 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
2
3
3
2
2
3
3
4
4
4
4
4
4
4
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-10
-9
-9
-9
-9
-8

Feels Like (°C)

-9
-10
-11
-11
-10
-10
-10
-10
-11
-10
-11
-12
-11
-13
-12
-13
-13
-11
-13
-12
-13
-11
-11
-12

Dew Point (°C)

-9
-13
-13
-12
-12
-12
-11
-12
-12
-12
-13
-14
-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-13
-13

Relative Humidity (%)

82
67
68
71
72
74
74
72
71
71
69
67
65
65
67
68
68
71
71
72
72
75
69
69

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

386
386
386
386
385
384
382
379
376
373
373
374
372
372
371
370
372
376
376
376
376
376
374
373

Saturday 27

Waning Gibbous 84%

No Rise

No Set

12 OK
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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:53. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
64
74
75
72
69
67
70
77
81
88
88
89
90
93
97
98
97
98
98
98
98
96
96

Low Clouds (% Sky Obscured)

0
21
34
46
42
38
35
37
46
53
64
66
69
70
82
87
88
93
93
94
90
82
65
65

Medium Clouds (% Sky Obscured)

0
16
24
34
50
64
69
64
46
57
62
24
4
12
30
31
31
3
4
0
0
0
0
0

High Clouds (% Sky Obscured)

9
15
20
25
30
30
30
35
35
30
35
45
51
55
60
64
53
26
20
11
7
5
5
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
4
4
5
3
4
6
7
7
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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 (%)

0
0
0
0
0
0
0
0
0
0
1
2
1
2
2
2
5
5
6
4
3
5
9
12

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)

3
3
2
2
2
2
3
3
3
4
4
5
5
5
5
5
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

-8
-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-5
-5
-5
-5
-5
-4
-4
-3

Feels Like (°C)

-11
-11
-10
-11
-10
-10
-10
-10
-10
-11
-10
-11
-10
-10
-10
-10
-9
-9
-9
-9
-8
-8
-8
-7

Dew Point (°C)

-12
-12
-11
-10
-9
-9
-9
-8
-8
-8
-8
-8
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-5
-5

Relative Humidity (%)

71
72
74
77
82
85
87
89
90
90
92
90
92
92
92
92
92
92
90
90
92
90
89
89

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1030
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028

Ozone (du)

372
373
372
370
370
370
372
375
378
379
378
378
377
376
375
373
371
369
369
371
375
379
380
380

Sunday 28

Waning Gibbous 75%

No Rise

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:53. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
96
96
99
98
98
96
95
96
84
61
41
49
55
54
54
56
56
60
63
65
52
49
48

Low Clouds (% Sky Obscured)

73
61
79
86
71
64
61
57
57
57
55
60
61
65
63
61
65
64
72
75
76
61
64
60

Medium Clouds (% Sky Obscured)

0
0
0
29
65
65
60
55
53
41
19
2
3
2
1
2
1
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
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)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
8
9
9
9
9

Fog (%)

0
0
0
1
0
0
0
1
0
1
0
0
1
1
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 (%)

11
13
13
11
15
16
12
8
9
12
12
13
14
12
11
10
10
9
10
12
10
14
11
9

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)

6
6
7
7
7
6
7
7
7
7
8
8
8
9
9
10
10
10
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-8
-8
-7
-7
-6
-5
-5
-4
-5
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

87
84
86
86
86
86
89
87
89
89
89
89
91
90
90
92
94
92
92
91
91
91
89
89

Pressure (mb)

1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025
1025
1025

Ozone (du)

381
380
378
377
378
381
386
387
387
387
386
384
385
385
384
384
384
384
385
385
384
384
383
383

Monday 29

Waning Gibbous 64%

No Rise

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:53. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
50
58
56
68
70
71
75
82
81
81
82
85
85
87
91
97
97
95
95
94
91
89
89

Low Clouds (% Sky Obscured)

51
45
49
53
64
67
65
73
82
80
81
83
84
86
87
91
97
96
95
95
93
90
86
87

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
1
3
1
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
6
9
9
9
9
9
8
3
1
1
1
3
4
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 (%)

9
7
6
8
3
5
5
2
3
1
1
1
1
0
0
0
2
3
6
3
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)

7
6
6
6
6
5
5
5
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
91
92
92
94
94
92
91
89
89
84
84
84
84
82
84
82
84
81
81
78
76

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

383
383
383
384
388
395
397
402
403
401
399
397
398
401
403
401
395
395
394
393
392
391
390
387

Tuesday 30

Waning Gibbous 53%

No Rise

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:52. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
93
93
94
94
92
92
91
92
95
97
96
94
93
95
96
97
95
93
90
89
88
88
89

Low Clouds (% Sky Obscured)

89
92
93
93
94
91
91
89
91
94
95
95
93
93
94
95
96
92
90
88
88
87
87
89

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
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)

9
9
9
9
8
3
2
1
0
0
0
0
0
0
0
0
0
0
1
2
4
5
7
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 (%)

0
0
0
1
1
15
5
15
15
17
17
21
19
21
21
19
16
15
13
13
12
10
8
11

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)

3
3
4
4
4
4
4
4
3
3
3
3
3
3
3
3
2
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
78
81
81
84
87
89
89
92
92
92
91
92
92
92
92
92
92
92
92
89
87
86

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

385
384
383
382
382
383
385
386
388
390
391
392
392
392
390
389
387
385
385
385
385
384
384
384

Wednesday 1

Third Quarter 41%

No Rise

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:52. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
92
94
97
100
100
100
99
99
99
99
97
96
94
94
93
92
90
87
87
91
95
98
95

Low Clouds (% Sky Obscured)

90
92
93
95
97
97
97
97
95
93
91
91
90
90
90
89
89
86
82
79
78
77
76
75

Medium Clouds (% Sky Obscured)

1
1
2
3
3
6
9
12
17
22
28
19
11
2
6
9
11
13
15
18
33
49
65
56

High Clouds (% Sky Obscured)

0
0
0
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)

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

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 (%)

12
11
12
12
13
21
25
22
24
29
35
33
26
20
23
23
19
19
19
19
17
14
12
11

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)

3
3
3
3
4
4
4
5
6
6
7
7
7
7
6
6
5
4
4
3
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-6
-5
-6
-6
-6
-6
-6
-9
-9
-11
-11
-11
-11
-12
-12
-13
-13
-13
-13
-11
-11
-10

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
84
84
84
84
85
87
87
89
87
87
87
88
88
88
88
88
88
90
88
87
87

Pressure (mb)

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

Ozone (du)

384
384
385
385
386
386
387
387
388
389
391
392
395
399
402
405
407
409
413
417
421
427
434
440

Thursday 2

Waning Crescent 30%

No Rise

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:52. Moon - Rise: No Rise, Set: No Set. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
87
83
82
82
84
88
91
91
91
90
89
88
86
88
93
97
97
97
97

Low Clouds (% Sky Obscured)

74
73
70
67
64
68
71
75
75
75
75
75
75
74
67
60
52
53
56
56

Medium Clouds (% Sky Obscured)

37
14
12
13
14
13
17
21
26
49
46
43
34
30
25
31
42
45
51
56

High Clouds (% Sky Obscured)

0
0
3
7
10
7
3
0
0
0
0
2
3
5
31
58
84
86
87
89

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
6
3
0
0
0
0
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

Precipitation Type

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

Precipitation Probability (%)

9
5
5
5
1
5
5
3
8
10
10
16
20
22
21
20
18
17
16
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-9
-9
-9
-9
-9
-9
-10
-10
-10
-9
-10
-10
-10
-11
-11
-11
-12

Dew Point (°C)

-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-8
-8
-9
-9
-9
-9
-9
-9

Relative Humidity (%)

85
87
85
85
84
85
85
87
87
87
89
89
90
92
92
92
92
92
92
90

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

441
442
442
441
440
439
437
436
434
437
440
443
444
445
446
449
452
455
457
460

Forecast for Longyearbyen, Spitsbergen, Svalbard and Jan Mayen (78.15,16.04)

Generated: 26/04/24 13:52:09. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+2.00