Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

16:21

11:40

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:55, Set: 15:41, Transit: 12:18. Moon - Rise: 16:21, Set: 11:40. Civil Dark: 16:31 - 08:05. Nautical Dark: 17:23 - 07:14. Astro Dark: 18:10 - 06:26

Total Clouds (% Sky Obscured)

100
95
100
100
100
100
99
100
100
96
91
93
92
100
100
97
95
99
99
97
94
89
92
82

Low Clouds (% Sky Obscured)

100
93
90
86
93
85
88
86
90
83
90
77
87
90
89
90
88
89
92
90
83
79
75
73

Medium Clouds (% Sky Obscured)

100
84
97
33
100
84
56
65
64
55
55
49
54
100
100
93
57
60
63
60
56
49
58
37

High Clouds (% Sky Obscured)

68
86
100
100
100
99
24
87
48
14
4
28
38
45
45
42
2
19
26
56
27
25
25
13

ISS Passover

Visibility (miles)

6
8
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

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

Precipitation Probability (%)

95
95
34
13
40
42
38
47
42
38
32
25
28
22
21
16
17
13
20
4
6
14
5
3

Precipitation Amount (mm)

0.9
0.3
0
0
0
0.2
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
17
17
17
17
15
13
12
11
10
9
8
7
6
6
6
5
4
4
3
3
2
3
3

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
76
74
74
78
82
82
82
84
84
82
82
84
84
85
87
87
87
88
90
93
93
93
93

Pressure (mb)

985
984
983
983
982
982
981
981
981
981
982
982
983
984
984
985
986
986
986
987
987
988
989
989

Ozone (du)

302
299
298
298
297
296
296
294
293
298
304
304
303
301
299
299
297
297
294
293
293
291
289
289

Saturday 6

Waning Gibbous 93%

18:01

12:13

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:57, Set: 15:40, Transit: 12:19. Moon - Rise: 18:01, Set: 12:13. Civil Dark: 16:30 - 08:07. Nautical Dark: 17:22 - 07:15. Astro Dark: 18:10 - 06:27

Total Clouds (% Sky Obscured)

63
89
95
100
96
94
93
97
99
100
93
100
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
73
92
100
82
89
84
90
98
95
75
84
85
83
70
60
61
57
55
59
64
71
83
100

Medium Clouds (% Sky Obscured)

11
47
55
57
53
24
30
45
48
47
37
29
74
82
86
82
100
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
1
41
95
31
97
54
89
100
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
5
2
3
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
7
13
12
5
5
12
23
13
30
21
12
8
6
1
1
5
31
77
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
1.6
1.2
1.8
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
7

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
7
7
7
7
8
7
8
8
7
8
8
7
8
8
8
8
8
8
7
7

Relative Humidity (%)

91
93
93
95
93
93
93
93
93
91
91
90
90
90
90
90
90
90
90
91
95
96
96
96

Pressure (mb)

990
991
991
992
992
992
992
993
993
993
993
993
994
994
994
993
993
992
991
990
989
988
988
987

Ozone (du)

289
288
288
286
285
285
288
290
288
287
287
286
283
283
283
283
284
284
285
286
288
288
290
293

Sunday 7

Waning Gibbous 86%

No Rise

12:29

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
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

Sun - Rise: 08:58, Set: 15:40, Transit: 12:19. Moon - Rise: No Rise, Set: 12:29. Civil Dark: 16:30 - 08:08. Nautical Dark: 17:22 - 07:16. Astro Dark: 18:10 - 06:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
81
75
38
18
57
47
100
95
100
100
81
100
100
90
90
90
70
62
56

Low Clouds (% Sky Obscured)

100
76
66
48
44
57
64
34
12
26
47
70
83
94
74
55
60
59
57
56
54
52
51
48

Medium Clouds (% Sky Obscured)

100
100
100
100
100
25
20
0
7
13
5
61
55
100
67
45
100
96
63
67
84
37
19
15

High Clouds (% Sky Obscured)

100
100
100
100
100
60
35
5
0
30
0
55
79
100
86
47
100
82
42
7
25
0
2
10

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
68
29
17
5
13
5
5
12
40
72
42
48
55
59
52
55
63
76
73
48
21
29

Precipitation Amount (mm)

1.6
0.8
0.3
0
0
0
0
0
0
0
0
0.5
0
0
0.2
0.2
0
0
0.2
0.4
0.4
0
0
0

Wind Speed/Direction (mph)

3
3
3
5
6
7
8
9
8
7
6
7
8
12
15
15
15
16
16
16
16
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
94
85
88
84
81
81
82
87
90
91
87
90
84
85
87
82
88
90
87
88
88

Pressure (mb)

987
987
987
987
987
988
989
989
989
989
989
989
989
989
989
990
991
991
991
992
992
992
993
994

Ozone (du)

296
299
300
304
309
313
322
329
333
336
338
340
342
345
345
343
339
338
338
339
336
329
325
324

Monday 8

Waning Gibbous 77%

19:44

12:38

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 09:00, Set: 15:39, Transit: 12:19. Moon - Rise: 19:44, Set: 12:38. Civil Dark: 16:30 - 08:09. Nautical Dark: 17:22 - 07:17. Astro Dark: 18:10 - 06:29

Total Clouds (% Sky Obscured)

50
43
66
83
97
92
100
100
100
100
100
100
100
100
97
94
92
89
87
85
79
73
65
77

Low Clouds (% Sky Obscured)

45
43
52
60
68
71
74
77
71
65
60
73
87
100
92
85
79
74
70
66
61
55
48
65

Medium Clouds (% Sky Obscured)

10
3
56
77
76
57
50
46
82
94
100
100
100
100
96
64
87
59
55
70
57
34
25
38

High Clouds (% Sky Obscured)

3
3
36
56
47
41
53
57
92
100
81
99
90
85
57
28
0
0
0
6
10
5
5
6

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
4
1
4
9
4
9
9
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

31
31
33
33
22
35
25
11
28
27
36
88
95
95
95
95
95
95
91
55
47
37
26
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
1.4
2.1
1.5
1.3
1.3
0.8
0.5
0.2
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
15
15
15
14
13
12
10
9
11
12
14
16
15
14
14
10
5
2
3
5
7

Chance of Frost

Temperature (°C)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
10
10
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
88
88
91
91
88
88
90
91
90
93
96
95
96
95
91
91
93
93
93
96
96

Pressure (mb)

994
995
995
995
995
995
994
994
994
993
992
991
989
988
986
985
984
982
981
980
979
980
981
982

Ozone (du)

328
333
341
346
352
357
357
356
361
357
353
345
346
346
344
344
342
334
331
331
328
324
323
323

Tuesday 9

Waning Gibbous 67%

21:22

12:43

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 09:01, Set: 15:39, Transit: 12:20. Moon - Rise: 21:22, Set: 12:43. Civil Dark: 16:30 - 08:10. Nautical Dark: 17:22 - 07:18. Astro Dark: 18:10 - 06:30

Total Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
85
69
54
55

Low Clouds (% Sky Obscured)

83
100
100
100
100
93
85
76
76
74
72
79
74
69
70
68
68
61
60
56
55
55
51
55

Medium Clouds (% Sky Obscured)

70
99
100
95
99
100
100
100
100
100
100
97
99
100
100
100
100
97
94
91
64
37
8
5

High Clouds (% Sky Obscured)

22
28
52
78
100
100
100
100
100
100
100
83
93
100
100
100
100
100
100
100
67
33
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

64
88
93
94
95
76
78
75
68
68
65
45
45
42
44
38
24
44
42
39
45
38
19
38

Precipitation Amount (mm)

0
0.7
0.8
0.9
1.3
0.4
0.4
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
13
17
18
19
18
18
17
17
15
14
14
17
16
15
15
15
15
15
14
13
12
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
6
6
6
7
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

95
91
87
87
85
85
81
82
85
87
90
90
90
90
91
90
90
91
91
91
93
93
93
93

Pressure (mb)

982
983
984
985
986
987
988
989
990
991
992
994
990
991
993
994
995
996
997
998
999
999
1000
1001

Ozone (du)

325
324
322
321
320
322
322
323
329
332
334
338
340
342
344
345
346
347
345
342
340
337
335
332

Wednesday 10

Waning Gibbous 56%

22:52

12:46

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 09:02, Set: 15:39, Transit: 12:20. Moon - Rise: 22:52, Set: 12:46. Civil Dark: 16:29 - 08:11. Nautical Dark: 17:21 - 07:19. Astro Dark: 18:10 - 06:31

Total Clouds (% Sky Obscured)

56
57
67
81
97
87
76
66
77
89
100
96
92
88
92
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
57
58
55
53
54
52
51
50
49
48
49
49
50
58
66
75
83
92
100
100
100
100
97

Medium Clouds (% Sky Obscured)

2
0
21
36
54
51
51
53
70
84
100
94
86
78
80
82
84
89
94
99
99
99
100
96

High Clouds (% Sky Obscured)

1
1
1
2
2
21
44
55
59
66
75
65
62
35
51
75
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
8
7
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
21
36
38
39
41
46
50
44
33
15
15
12
12
14
14
14
38
56
75
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
1.2
1.7
1.7

Wind Speed/Direction (mph)

10
9
9
9
10
11
12
14
17
16
15
14
12
11
10
10
10
11
12
13
15
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
91
91
93
93
91
91
93
93
91
90
87
84
82
81
78
78
77
77
81
85
90

Pressure (mb)

1002
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1004
1003
1002
1001
1000
999
998

Ozone (du)

327
321
315
315
315
315
316
317
318
319
319
319
320
320
321
320
320
319
319
318
317
319
321
322

Thursday 11

Third Quarter 46%

00:16

12:48

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: 09:03, Set: 15:38, Transit: 12:21. Moon - Rise: 00:16, Set: 12:48. Civil Dark: 16:29 - 08:12. Nautical Dark: 17:21 - 07:20. Astro Dark: 18:10 - 06:32

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

95
92
91
89
88
87
87
87
90
94
97
94
91
89
89
90
88

Medium Clouds (% Sky Obscured)

93
89
86
82
79
79
79
81
82
82
83
85
87
89
80
70
61

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
93
84
79
88
94
99
97
94
92

ISS Passover

Visibility (miles)

6
6
6
5
3
2
3
4
5
4
3
2
5
7
9
9
9

Fog (%)

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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
90
92
90
88
81
70
80
95

Precipitation Amount (mm)

1.9
2.3
1.5
1.4
1.3
0.8
0.7
1
0.8
0.6
0.6
0.6
0.6
0.6
0.3
0.4
0.8

Wind Speed/Direction (mph)

20
21
22
21
22
23
23
23
23
21
21
20
20
22
24
17
12

Chance of Frost

Temperature (°C)

9
9
9
9
9
10
10
10
10
9
9
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
90
93
95
95
93
91
93
93
95
93
91
88
87
85

Pressure (mb)

998
997
996
996
995
994
994
993
993
992
991
990
990
990
990
991
991

Ozone (du)

325
329
332
334
336
338
335
333
331
330
328
327
330
333
336
338
341

Forecast for Tarbert, Western Isles, United Kingdom (57.90,-6.81)

Generated: 05/12/25 18:43:54. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00