Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 77%

19:44

12:29

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 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:58, Set: 15:40, Transit: 12:19. Moon - Rise: 19:44, 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)

75
71
74
97
88
100
84
83
94
96
90
71
55
42
38
28
25
71
97
99
100
98
93
96

Low Clouds (% Sky Obscured)

41
41
38
72
68
94
84
83
59
42
39
47
41
38
31
26
20
31
38
48
94
82
26
19

Medium Clouds (% Sky Obscured)

0
11
48
48
35
70
59
54
57
76
62
38
20
2
0
0
0
0
0
60
93
78
66
93

High Clouds (% Sky Obscured)

2
23
73
57
53
98
48
69
62
57
55
1
2
0
0
0
0
40
92
99
46
84
56
68

ISS Passover

Visibility (miles)

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

Fog (%)

0
31
2
24
1
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
8
39
49
66
68
56
40
35
25
25
32
17
11
18
9
7
21
7
12
13
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
11
8
10
8
8
11
12
13
14
14
13
11
9
9
7
5
6
5
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
95
93
93
95
96
93
93
91
90
90
91
93
93
93
93
91
93
94
95
91
91
93

Pressure (mb)

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

Ozone (du)

330
328
328
330
328
329
332
332
334
334
334
336
337
335
336
331
328
326
321
322
323
324
316
311

Tuesday 9

Waning Gibbous 74%

21:22

12:38

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 09:00, Set: 15:39, Transit: 12:19. Moon - Rise: 21:22, 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
98
54
86
99
95
86
96

Low Clouds (% Sky Obscured)

5
9
45
65
76
89
92
95
100
91
99
100
100
96
100
100
100
98
54
86
70
67
67
70

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
63
61
100
45
57
53
86
100
100
72
54
65
58
47
30
34

High Clouds (% Sky Obscured)

100
100
100
100
100
78
100
100
33
0
0
0
0
0
0
60
50
60
5
33
15
0
1
16

ISS Passover

Visibility (miles)

9
9
9
8
3
3
3
2
8
1
7
7
6
9
8
9
8
8
9
8
6
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

2
11
47
95
95
95
95
95
95
57
95
95
71
80
95
95
95
95
95
95
75
47
42
45

Precipitation Amount (mm)

0
0
0
0.7
1.5
1.8
2.9
1.8
1.6
0
1
1.3
0.4
0.5
1
1.5
1.6
1.7
1.5
1.1
0.2
0
0
0

Wind Speed/Direction (mph)

7
8
10
10
14
18
20
21
19
16
18
24
31
33
35
37
40
40
41
41
42
41
40
38

Chance of Frost

Temperature (°C)

9
9
9
8
8
8
8
8
9
10
11
11
12
11
10
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
84
84
88
90
91
93
95
93
81
83
88
84
80
74
78
75
78
82
78
80
81
78

Pressure (mb)

994
992
990
988
986
984
981
978
976
973
970
968
967
968
969
970
971
972
973
974
976
977
978
979

Ozone (du)

316
307
305
303
302
301
297
297
296
297
304
305
299
298
301
310
314
320
325
325
326
330
334
334

Wednesday 10

Waning Gibbous 67%

22:52

12:43

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 09:01, Set: 15:39, Transit: 12:20. Moon - Rise: 22:52, 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)

95
100
100
100
100
100
100
95
86
81
71
43
79
97
99
100
99
100
96
97
99
100
100
100

Low Clouds (% Sky Obscured)

82
85
99
85
90
100
92
70
70
67
63
43
48
79
90
91
89
83
68
69
70
71
68
66

Medium Clouds (% Sky Obscured)

49
65
66
70
71
100
99
85
59
46
8
1
62
92
64
91
86
88
48
46
73
73
51
61

High Clouds (% Sky Obscured)

35
1
4
50
40
39
39
30
35
29
2
0
0
47
50
55
57
100
51
64
77
100
100
100

ISS Passover

Visibility (miles)

8
6
6
5
5
8
3
6
5
7
9
9
8
2
9
9
9
9
9
9
9
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

55
69
87
86
95
95
95
76
49
36
20
24
49
66
74
86
91
38
36
29
36
30
23
21

Precipitation Amount (mm)

0
0.2
0.4
0.4
0.4
1.1
0.8
0.2
0
0
0
0
0
0.3
0.4
0.7
1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

37
37
37
36
35
35
35
35
35
35
34
31
28
22
19
15
11
18
20
19
18
17
21
22

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
10
10
9
9
9
9
10
9
9
10
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
80
82
81
88
81
81
81
78
77
85
93
90
77
80
74
78
80
84
93
91
88

Pressure (mb)

980
980
981
981
982
983
984
986
988
990
992
994
996
996
997
999
1000
1001
1001
1002
1003
1003
1004
1004

Ozone (du)

339
342
347
355
353
349
352
353
359
359
343
333
338
327
321
318
316
315
314
314
315
316
316
317

Thursday 11

Third Quarter 56%

00:16

12:46

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 09:02, Set: 15:39, Transit: 12:20. Moon - Rise: 00:16, 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)

100
100
97
100
100
100
100
100
82
98
95
100
100
100
100
100
100
100
100
100
100
95
95
97

Low Clouds (% Sky Obscured)

64
71
77
85
89
94
98
99
82
98
87
74
61
67
72
78
85
93
100
96
92
86
87
90

Medium Clouds (% Sky Obscured)

68
65
62
60
50
41
37
30
23
16
17
19
22
32
44
49
55
63
95
76
76
75
63
51

High Clouds (% Sky Obscured)

100
98
80
95
97
98
100
85
21
36
23
53
80
85
99
98
85
100
100
93
86
81
60
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

27
26
30
33
28
26
17
8
8
2
8
9
3
6
12
6
26
36
65
81
94
66
76
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.3
0.4
0.5

Wind Speed/Direction (mph)

22
22
23
24
25
25
24
24
23
22
22
22
21
21
21
21
21
21
22
23
24
20
19
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
82
81
81
84
81
78
76
72
72
74
78
77
77
76
73
78
74
82
85
85
85
79

Pressure (mb)

1004
1004
1004
1003
1003
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1001
1001
1000
999
998
997
997
997
998

Ozone (du)

315
313
313
311
310
310
307
305
304
306
305
305
303
313
315
314
317
310
307
310
313
316
319
321

Friday 12

Waning Crescent 46%

01:38

12:48

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 09:03, Set: 15:38, Transit: 12:21. Moon - Rise: 01:38, 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)

91
81
68
57
54
56
58
72
86
90
89
100
98
100
100
100
100
95
96
95
95
95
96
97

Low Clouds (% Sky Obscured)

91
76
61
48
44
44
43
45
44
44
46
46
46
55
67
79
86
91
96
91
88
84
81
79

Medium Clouds (% Sky Obscured)

36
22
11
2
0
2
2
18
33
45
33
28
23
71
68
69
68
67
66
65
70
74
73
72

High Clouds (% Sky Obscured)

2
5
20
25
21
30
40
60
78
88
81
100
81
37
31
30
30
40
75
90
95
95
95
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
5
7
8
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

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

Precipitation Probability (%)

69
70
59
38
38
28
13
24
15
3
12
38
48
50
59
78
92
95
95
95
92
71
70
67

Precipitation Amount (mm)

0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3
0.5
0.6
0.8
1.2
1
0.6
0.3
0.3
0.2

Wind Speed/Direction (mph)

13
18
15
14
14
14
15
15
15
16
16
17
19
22
22
23
25
24
23
23
21
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
79
82
82
79
84
81
79
77
73
75
77
79
81
79
79
78
78
81
81
84
90
93
91

Pressure (mb)

998
999
1000
1001
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
998
997
996
996
995
994
994
993
993
993

Ozone (du)

324
327
329
329
326
324
325
327
329
334
335
335
335
345
353
360
368
380
393
406
412
417
423
428

Saturday 13

Waning Crescent 36%

02:58

12:51

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 09:04, Set: 15:38, Transit: 12:21. Moon - Rise: 02:58, Set: 12:51. Civil Dark: 16:29 - 08:13. Nautical Dark: 17:21 - 07:21. Astro Dark: 18:10 - 06:33

Total Clouds (% Sky Obscured)

98
98
97
96
96
98
100
100
100
100
100
100
100
90
79
69
59
49
45
52
57
63
62
58

Low Clouds (% Sky Obscured)

75
83
90
96
95
93
91
85
75
65
64
63
63
60
57
55
49
44
39
44
49
54
52
50

Medium Clouds (% Sky Obscured)

74
79
84
82
78
66
61
69
79
92
91
91
93
77
60
40
35
21
18
11
8
7
10
14

High Clouds (% Sky Obscured)

85
90
78
52
48
53
70
69
68
57
51
46
40
40
50
30
20
20
20
20
20
30
38
55

ISS Passover

Visibility (miles)

9
8
8
7
7
8
8
9
9
9
9
7
5
3
2
1
1
1
1
1
4
6
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

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

Precipitation Probability (%)

68
95
95
95
95
95
95
88
75
70
68
73
83
80
80
95
93
90
95
83
53
27
41
56

Precipitation Amount (mm)

0.2
0.6
0.7
1.4
1
0.7
0.9
0.5
0.4
0.3
0.3
0.4
0.5
0.4
0.5
0.8
0.7
0.6
0.9
0.5
0
0
0
0

Wind Speed/Direction (mph)

18
19
18
18
18
17
17
16
16
17
17
17
19
19
19
19
18
18
18
18
18
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
4
2
2
2
2
3
3
3
3
3
2
2
1
1
0
0
1
1
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
82
82
81
81
81
82
84
85
87
90
91
93
93
95
95
93
93
95
93
91
91

Pressure (mb)

993
993
993
993
994
994
994
994
994
995
995
995
995
995
995
995
995
995
995
995
995
995
995
994

Ozone (du)

432
437
427
418
408
394
379
365
355
346
336
333
330
327
328
329
330
328
325
323
320
317
313
310

Sunday 14

Waning Crescent 27%

04:20

12:53

Sun - Rise: 09:05, Set: 15:38, Transit: 12:22. Moon - Rise: 04:20, Set: 12:53. Civil Dark: 16:29 - 08:14. Nautical Dark: 17:22 - 07:22. Astro Dark: 18:10 - 06:34

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 08/12/25 05:03:24. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+0.00