Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

No Rise

No Set

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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: 13:01. 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)

66
68
78
92
73
51
35
96
98
95
100
100
96
86
63
54
90
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
61
66
65
69
51
35
89
97
95
100
97
85
73
62
54
87
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

25
34
17
4
4
4
0
0
1
10
13
16
13
6
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
26
30
7
7
0
6
65
52
24
41
81
38
4
3
0
0
0
0
2
2
19
2
2

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
1
0
0
1
0
0
27
4
79
97
95
51
2
1
0
1
46
46
70
97

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
2
2
4
1
0
2
1
0
1
2
1
0
0
3
3
4
5
14
8
7
6

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
8
8
8
9
10
10
10
11
11
10
10
10
9
8
8
7
7
6
6
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
1
1
2
1
1
1
2
2
2
2
2
3
3
2
1
1
2
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

79
76
79
80
82
79
77
75
79
82
82
85
85
85
82
82
83
86
89
91
93
93
94
94

Pressure (mb)

1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010

Ozone (du)

324
323
324
324
323
323
325
325
327
328
332
335
336
336
335
334
332
331
331
331
331
331
330
329

Sunday 13

Waning Gibbous 89%

No Rise

No Set

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 OK
02 OK
03 Good
04 OK
05 Good
06 OK
07 OK

Sun - Rise: N/A, Set: N/A, Transit: 13:01. 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)

100
100
100
100
96
96
95
91
87
87
82
87
99
100
99
92
65
28
22
18
19
18
18
27

Low Clouds (% Sky Obscured)

100
100
100
100
90
93
93
84
80
84
79
84
77
77
89
83
65
28
22
18
19
18
18
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
55
70
73
60
65
28
22
18
19
18
18
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
0
0
3
37
43
50
62
60
28
22
18
19
0
0
27

ISS Passover

Visibility (miles)

3
3
3
3
3
3
5
9
9
9
9
9
1
1
9
9
9
9
9
9
9
9
9
9

Fog (%)

96
94
17
6
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 (%)

4
5
3
3
2
2
2
2
2
2
2
3
1
15
2
1
0
0
0
0
0
0
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
96
96
94
94
91
93
91
93
91
91
88
88
86
85
83
82
82
80
79
80

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

329
330
331
331
330
328
320
311
307
305
302
302
306
311
310
310
311
313
316
319
320
320
311
308

Monday 14

Waning Gibbous 81%

00:53

No Set

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

Sun - Rise: N/A, Set: N/A, Transit: 13:01. Moon - Rise: 00:53, 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)

56
93
62
74
78
76
62
49
30
25
19
13
15
5
4
1
8
4
11
58
75
80
90
100

Low Clouds (% Sky Obscured)

56
73
62
74
78
74
57
44
24
18
6
11
15
0
0
0
0
0
0
0
0
2
4
6

Medium Clouds (% Sky Obscured)

56
60
34
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
67
95

High Clouds (% Sky Obscured)

56
25
5
2
1
0
1
3
3
4
5
2
4
4
3
1
6
3
5
52
66
78
87
100

ISS Passover

Visibility (miles)

9
9
9
1
1
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

3
5
1
2
3
1
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
83
85
85
82
80
79
78
77
76
75
76
77
79
79
80
80
82
82
82
82
80

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1010

Ozone (du)

306
305
303
302
304
305
305
306
306
306
306
305
306
308
307
308
309
303
301
298
297
297
297
296

Tuesday 15

Waning Gibbous 71%

23:28

08:53

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

Sun - Rise: N/A, Set: N/A, Transit: 13:01. Moon - Rise: 23:28, Set: 08:53. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
90
84
86
94
100
75
35
30
26
74
66
60
26
17
13
8
5
27
17
13
23
32
34

Low Clouds (% Sky Obscured)

10
13
15
22
28
31
32
34
30
26
22
16
21
24
17
13
7
3
21
17
13
23
32
34

Medium Clouds (% Sky Obscured)

76
57
40
27
13
0
0
0
0
0
0
3
3
1
0
0
0
0
0
0
0
19
32
34

High Clouds (% Sky Obscured)

87
71
57
68
86
100
66
28
7
6
32
21
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

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
5
5
5
5
5
6
6
6
6
6
5
5
5
5
5
5
7
7
6
6
6
7

Chance of Frost

Temperature (°C)

4
5
5
5
5
5
6
6
6
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
75
75
72
72
72
72
71
68
68
71
70
69
68
68
71
75
76
73
71
71
69
68

Pressure (mb)

1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1010
1011

Ozone (du)

296
297
300
303
306
308
311
313
317
318
315
316
327
331
331
332
333
327
326
329
332
335
335
334

Wednesday 16

Waning Gibbous 60%

22:08

12:10

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

Sun - Rise: N/A, Set: N/A, Transit: 13:02. Moon - Rise: 22:08, Set: 12:10. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
35
31
30
31
28
24
22
18
18
16
14
14
27
31
28
27
21
25
28
29
19
20
21

Low Clouds (% Sky Obscured)

35
35
31
30
31
28
24
22
18
18
16
14
14
27
31
28
27
21
25
28
29
19
20
21

Medium Clouds (% Sky Obscured)

33
19
4
3
2
0
0
0
0
10
16
14
3
2
1
1
1
1
2
2
3
4
4
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
19
20
21

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 (%)

5
7
3
15
8
1
4
2
1
4
2
0
7
10
10
8
9
15
9
5
3
2
1
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
7
8
8
7
7
7
6
6
6
7
7
7
6
6
4
4
5
5
4
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
1
2
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

67
63
60
58
55
52
51
50
49
47
46
47
49
49
50
52
52
52
54
54
56
56
57
57

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

331
330
329
328
328
326
326
327
330
330
329
329
326
325
323
322
322
322
322
323
324
325
324
324

Thursday 17

Waning Gibbous 48%

20:04

16:03

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

Sun - Rise: N/A, Set: N/A, Transit: 13:02. Moon - Rise: 20:04, Set: 16:03. Civil Dark: N/A - N/A. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

25
29
33
26
23
17
19
20
26
31
36
41
36
36
32
38
45
52
59
67
75
75
76
75

Low Clouds (% Sky Obscured)

25
29
33
26
23
17
19
20
26
31
36
41
36
36
32
38
43
46
52
54
57
56
55
54

Medium Clouds (% Sky Obscured)

10
9
5
5
5
5
5
5
5
5
5
5
5
5
5
4
3
2
4
6
7
7
11
18

High Clouds (% Sky Obscured)

25
29
33
19
9
2
6
11
15
10
11
11
17
23
32
32
21
11
11
13
14
19
30
39

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
8
8
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 (%)

0
0
0
0
0
0
3
4
4
5
5
2
2
2
0
2
2
0
2
3
3
5
8
7

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
6
7
7
7
8
7
7
7
7
7
7
7
7
7
5
4
4
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
58
57
55
53
50
50
50
50
51
51
53
54
57
59
60
63
65
65
66
69
69
69

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

323
324
325
325
326
326
327
326
325
323
323
322
321
321
321
321
322
323
324
325
326
328
328
328

Friday 18

Third Quarter 36%

No Rise

No Set

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

Sun - Rise: N/A, Set: N/A, Transit: 13:02. 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)

79
85
90
90
88
86
89
92
96
97
97
98
95
92
87
89
92
97

Low Clouds (% Sky Obscured)

59
63
68
72
76
80
76
71
70
72
74
74
72
68
63
57
53
50

Medium Clouds (% Sky Obscured)

41
71
90
80
69
56
57
51
52
51
50
42
39
39
36
36
39
39

High Clouds (% Sky Obscured)

35
35
40
27
16
3
3
3
3
2
2
1
3
6
9
36
62
88

ISS Passover

Visibility (miles)

8
8
8
8
6
4
2
2
2
3
4
6
7
8
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

8
9
8
10
13
16
16
14
14
14
14
14
15
14
12
13
13
4

Precipitation Amount (mm)

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
4
4
4
5
4
4
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
71
74
76
77
78
78
78
80
78
77
77
75
75
74
73
70

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

327
328
328
329
329
330
330
330
330
330
330
330
330
329
329
328
326
325

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

Generated: 12/07/25 08:24:34. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+2.00