Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 82%

No Rise

No Set

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

Sun - Rise: 06:57, Set: 18:44, Transit: 12:47. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:28 - 05:14. Nautical Dark: 23:20 - 02:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
32
28
12
8
8
3
3
8
1
3
4
0
2
2
1
1
0
0
1
1
0
0
0

Low Clouds (% Sky Obscured)

35
35
31
19
8
7
3
1
5
1
2
6
1
5
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
81
81
81
81
83
83
83
83
83
83
83
83
83
83
81
83
81
80
80
78

Pressure (mb)

1014
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

290
290
290
288
286
285
288
291
290
289
289
288
286
281
277
272
269
269
270
271
271
270
271
268

Tuesday 26

Waxing Gibbous 91%

No Rise

No Set

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

Sun - Rise: 07:04, Set: 18:36, Transit: 12:46. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:19 - 05:22. Nautical Dark: 23:01 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

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

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
1
2

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
1
0
1

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)

1
1
1
1
2
2
2
2
2
2
1
1
1
1
1
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-14
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-14
-14
-14
-14
-13
-13

Relative Humidity (%)

78
78
76
75
75
73
73
73
73
75
75
75
76
75
78
76
76
76
76
76
75
75
75
75

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

269
272
275
277
278
280
281
281
282
280
277
273
271
270
271
271
269
270
272
273
272
272
271
271

Wednesday 27

Waxing Gibbous 97%

21:38

02:18

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

Sun - Rise: 07:11, Set: 18:29, Transit: 12:46. Moon - Rise: 21:38, Set: 02:18. Civil Dark: 20:11 - 05:29. Nautical Dark: 22:45 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

9
9
6
24
38
61
47
55
50
51
75
72
20
55
91
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17

Medium Clouds (% Sky Obscured)

2
2
2
2
16
24
12
16
2
3
33
56
36
71
90
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
1
2
9
12
16
5
5
5
0
0
5
14
41
73
100
100
100
100
100
100
100
100
100

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
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-14
-15
-15
-14
-15
-15
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-13
-13
-12
-12
-12
-11

Relative Humidity (%)

74
73
75
75
73
73
73
73
73
73
73
73
72
72
72
72
71
71
71
69
71
70
70
71

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

270
270
271
272
271
270
269
267
265
264
265
266
267
268
268
268
268
268
268
269
269
271
271
272

Thursday 28

Waxing Gibbous 100%

19:37

06:17

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:18, Set: 18:21, Transit: 12:46. Moon - Rise: 19:37, Set: 06:17. Civil Dark: 20:03 - 05:37. Nautical Dark: 22:31 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
100
100
100
100
99
97
96
97
98
100
97
94
91
92
93
94
96

Low Clouds (% Sky Obscured)

34
51
62
74
86
84
82
77
76
78
77
77
76
76
69
62
55
63
71
75
78
78
78
74

Medium Clouds (% Sky Obscured)

98
79
66
52
57
64
91
92
82
76
78
76
78
79
74
59
57
52
45
54
64
65
73
86

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
86
70
54
65
77
92
65
38
11
11
10
9
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
2
13
22
27
30
32
30
24
21
16
12
11
7
5
5
4
4
5
4
4
5
5
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
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
77
82
82
85
85
85
85
87
85
87
85
87
87
87
85
87
85
87
85
85
85
85

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

274
275
273
271
269
269
267
266
265
265
264
263
262
261
262
263
263
264
264
265
266
268
269
269

Friday 29

Full Moon 100%

18:13

09:57

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:25, Set: 18:13, Transit: 12:45. Moon - Rise: 18:13, Set: 09:57. Civil Dark: 19:54 - 05:44. Nautical Dark: 22:18 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
100
100
100
99
99
98
99
99
99
98
97
97
95
94
95
96
97
96
97
98
99
98

Low Clouds (% Sky Obscured)

73
69
71
74
74
78
77
77
80
86
90
89
87
86
86
81
74
70
68
63
59
54
41
40

Medium Clouds (% Sky Obscured)

87
93
97
92
90
89
86
79
79
73
69
57
45
33
29
32
37
44
49
57
65
69
76
75

High Clouds (% Sky Obscured)

70
100
100
100
100
78
58
39
44
52
57
47
34
24
20
22
23
30
38
50
36
20
8
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
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 (%)

2
1
2
2
2
6
8
9
12
16
19
28
26
24
22
23
21
24
27
27
23
28
29
21

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
7
7
7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
87
85
85
83
85
85
83
83
85
85
85
85
85
85
87
85
87
85
83
85

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

269
269
270
272
273
274
275
274
273
274
275
276
277
278
278
279
279
280
280
280
281
279
278
277

Saturday 30

Waning Gibbous 97%

16:34

No Set

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:33, Set: 18:05, Transit: 12:45. Moon - Rise: 16:34, Set: No Set. Civil Dark: 19:46 - 05:51. Nautical Dark: 22:06 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
96
97
98
99
99
99
99
98
96
95
94
93
92
94
97
100
100
100
100
98
98
100
100

Low Clouds (% Sky Obscured)

39
37
44
54
53
56
75
78
77
76
75
74
73
73
73
73
69
67
65
56
51
41
36
44

Medium Clouds (% Sky Obscured)

69
64
67
73
81
80
78
73
70
70
70
66
64
62
68
74
81
84
88
93
93
95
96
97

High Clouds (% Sky Obscured)

3
0
25
46
67
62
55
50
42
30
22
23
33
41
40
40
45
40
35
35
30
30
30
33

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 (%)

24
24
21
26
26
22
26
26
21
25
26
23
26
28
26
23
20
19
16
11
10
9
7
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
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-12
-12
-12
-12
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-14
-13
-13
-13
-14
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
82
83
82
82
82
82
82
82
80
81
80
80
80
80
80
80
80
78
79
76

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

277
277
277
278
279
280
280
280
280
281
281
281
281
281
281
280
280
280
281
282
283
281
280
279

Sunday 1

Waning Gibbous 91%

No Rise

No Set

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: 07:40, Set: 17:57, Transit: 12:45. Moon - Rise: No Rise, Set: No Set. Civil Dark: 19:39 - 05:59. Nautical Dark: 21:54 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

57
72
72
72
74
79
85
93
94
94
93
92
91
88
85
84
82

Medium Clouds (% Sky Obscured)

97
96
97
96
96
97
98
99
98
98
97
97
97
97
98
99
100

High Clouds (% Sky Obscured)

32
36
43
57
63
74
84
95
74
54
34
32
30
26
18
9
1

ISS Passover

Visibility (miles)

9
9
9
7
6
4
3
1
0
0
0
0
1
1
1
1
1

Fog (%)

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
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow

Precipitation Probability (%)

6
0
2
3
2
17
30
41
50
55
58
57
53
44
52
55
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-11
-11
-11
-10
-10
-11
-10
-11
-10
-10
-10
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
77
79
79
84
89
92
94
92
92
90
90
90
90
91

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1014
1014
1013

Ozone (du)

279
279
279
278
278
277
277
276
276
275
274
273
273
274
274
274
273

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

Generated: 25/09/23 15:15:18. Forecast: 25/09/23 to 01/10/23. Timezone: UTC+2.00