Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 99%

No Rise

No Set

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

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)

22
27
33
33
33
35
34
34
35
32
26
24
21
22
17
8
0
0
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

27
34
39
39
42
41
40
39
44
43
36
33
29
27
21
11
0
0
1
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)

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
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 (%)

0
2
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
2
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)

5
5
6
6
6
6
6
5
5
6
6
6
6
6
6
6
7
7
7
7
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
79
77
77
79
80
82
82
82
80
79
77
76
74
74
77
77
77
79
77
76
74
73

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

439
439
434
424
416
411
409
408
405
406
406
407
407
407
407
406
401
399
398
395
395
397
396
393

Thursday 25

Waning Gibbous 96%

No Rise

No Set

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

0
0
0
0
0
0
0
0
0
4
33
50
54
27
24
31
32
31
20
11
45
66
74
75

Low 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

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)

0
0
0
0
0
0
0
0
0
3
19
39
53
23
15
23
14
12
4
2
59
49
56
56

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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
71
68
68
68
68
67
67
67
66
66
66
67
68
68
71
71
73
74
73
73
70

Pressure (mb)

1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1030
1030

Ozone (du)

391
391
390
388
386
384
382
381
380
379
378
377
378
378
377
377
376
375
375
372
370
369
369
370

Friday 26

Waning Gibbous 91%

No Rise

No Set

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

75
85
86
85
92
94
96
80
40
58
53
35
42
71
44
89
75
95
97
96
96
82
83
85

Low Clouds (% Sky Obscured)

0
0
0
8
16
22
33
32
31
20
19
26
37
39
43
43
48
55
62
59
61
69
70
70

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)

52
66
61
46
57
60
64
8
0
0
0
0
0
0
0
0
0
5
5
5
5
3
3
3

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
7

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-12
-13
-12
-13
-12
-12
-11
-10
-9
-9
-8
-7
-8
-6
-8
-7
-7
-8
-8
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

67
65
65
65
67
68
68
70
71
72
74
74
73
76
76
77
79
82
84
85
85
87
85
89

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030
1031
1031
1031
1031
1031

Ozone (du)

371
374
375
376
374
373
373
372
379
383
383
382
382
382
382
381
380
379
379
379
380
381
382
384

Saturday 27

Waning Gibbous 84%

No Rise

No Set

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 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)

94
94
95
92
91
89
89
90
93
94
96
97
96
96
95
94
94
93
95
96
98
97
95
94

Low Clouds (% Sky Obscured)

89
91
94
91
88
86
83
85
72
72
82
86
96
89
94
94
94
93
95
96
98
96
94
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
48
50
45
40
36
2
2
11
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
6
19
30
25
15
10
5
0
0
0
5
20
23
27
30
6
3
0
0
0
0
0

ISS Passover

Visibility (miles)

7
4
4
2
4
7
9
9
9
9
9
9
6
3
3
3
3
1
1
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
None
None
None
None
None
None
None
None
None
None
None
Snow
None
Snow
None
Snow

Precipitation Probability (%)

8
10
6
11
7
8
8
11
10
12
9
10
12
24
16
28
20
29
30
39
36
38
33
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0.1
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
90
92
92
92
90
90
90
89
91
89
89
91
89
89
91
92
94
96
96
96
96
98

Pressure (mb)

1031
1031
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1025

Ozone (du)

384
384
385
383
382
381
381
381
381
382
384
386
390
394
397
398
400
401
402
402
404
405
406
407

Sunday 28

Waning Gibbous 75%

No Rise

No Set

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 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)

95
96
98
98
99
99
95
94
91
91
91
90
87
82
80
77
74
70
65
62
57
59
57
59

Low Clouds (% Sky Obscured)

94
96
98
98
98
98
95
92
90
90
90
89
86
81
80
76
70
65
58
53
53
55
57
59

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
1
1
5
8
9
9
9
9
9
9
9
9
8
7
8
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

Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
38
35
32
25
23
19
8
4
2
3
1
5
14
1
2
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0.1
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
98
96
94
94
92
89
89
87
87
86
84
87
89
91
91
92
92
90
92

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

406
405
404
406
408
410
411
412
412
412
411
409
408
407
407
408
410
411
413
415
417
419
419
419

Monday 29

Waning Gibbous 64%

No Rise

No Set

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 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)

53
47
41
45
47
52
67
81
96
96
94
94
95
97
99
99
99
99
92
87
77
74
70
67

Low Clouds (% Sky Obscured)

59
54
54
49
49
45
47
48
50
56
64
69
76
84
90
91
93
94
86
78
69
67
64
64

Medium Clouds (% Sky Obscured)

2
2
2
1
1
1
2
3
4
25
43
54
53
57
60
58
57
60
51
40
26
18
10
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
10
15
10
5
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
8
7
6
6
5
5
4
3
1
3
4
5
5
5

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
0
0
0
1
0
0
0
1
1
2
2
2
7
9
10
9
9
10
9
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-8
-8
-8
-8
-8
-7
-7
-7
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-6
-7

Relative Humidity (%)

90
89
89
87
87
85
85
87
87
89
89
87
87
87
87
87
89
91
89
89
89
89
89
89

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

419
417
415
414
412
411
410
410
410
410
410
411
411
410
410
409
410
411
411
410
410
409
411
413

Tuesday 30

Waning Gibbous 53%

No Rise

No Set

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

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)

70
76
82
83
82
81
75
67
56
49
46
43
42
41
45
50
49
49
51
48
46

Low Clouds (% Sky Obscured)

69
75
80
80
80
80
74
69
63
61
63
66
66
65
64
64
63
63
58
48
43

Medium Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
11
5
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
24
36
30
24
18
26
34
41

ISS Passover

Visibility (miles)

5
5
5
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

10
7
2
2
2
0
2
3
1
3
4
4
5
5
3
2
1
0
5
6
2

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-6
-10
-11
-12
-12
-12
-12
-11
-11
-11
-10
-10
-10
-8
-8
-8
-6
-6

Dew Point (°C)

-7
-8
-8
-9
-9
-10
-10
-10
-10
-11
-10
-10
-10
-10
-11
-12
-11
-11
-11
-11
-11

Relative Humidity (%)

90
89
87
87
87
87
83
83
82
80
79
77
76
71
66
62
63
66
67
67
66

Pressure (mb)

1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027

Ozone (du)

414
414
414
413
414
416
417
419
421
424
422
420
418
418
418
418
421
424
427
431
434

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

Generated: 24/04/24 23:25:39. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+2.00