Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Crescent 17%

13:05

18:28

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

Sun - Rise: 08:34, Set: 15:54, Transit: 12:14. Moon - Rise: 13:05, Set: 18:28. Civil Dark: 16:41 - 07:46. Nautical Dark: 17:31 - 06:56. Astro Dark: 18:18 - 06:10

Total Clouds (% Sky Obscured)

31
33
39
68
84
84
83
82
70
55
54
66
33
69
66
63
62
40
31
37
47
59
38
38

Low Clouds (% Sky Obscured)

31
33
39
47
80
60
64
82
70
55
54
66
33
69
58
40
62
40
25
37
47
59
23
38

Medium Clouds (% Sky Obscured)

2
5
2
2
4
0
0
0
0
0
0
0
0
4
23
25
2
2
2
2
0
1
0
0

High Clouds (% Sky Obscured)

25
12
14
20
5
44
40
5
4
3
4
3
3
2
5
26
28
4
2
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
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
14
35
16
28
28
25
24
12
16
6
6
7
12
27
27
24
28
17
22
33
29
15
9

Precipitation Amount (mm)

0
0
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
84
82
82
79
79
78
75
74
71
72
73
72
68
70
76
78
80
82
80
86
85
85

Pressure (mb)

995
996
997
998
999
999
1000
1001
1002
1003
1004
1005
1006
1007
1007
1007
1008
1008
1009
1010
1010
1011
1012
1012

Ozone (du)

290
292
295
298
298
300
301
301
297
299
296
291
291
291
295
294
293
291
294
293
293
293
291
291

Monday 24

Waxing Crescent 25%

13:19

19:57

22 OK
23 Good
00 Good
01 Good
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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:36, Set: 15:52, Transit: 12:14. Moon - Rise: 13:19, Set: 19:57. Civil Dark: 16:40 - 07:48. Nautical Dark: 17:30 - 06:58. Astro Dark: 18:17 - 06:11

Total Clouds (% Sky Obscured)

18
7
2
2
26
31
48
57
56
65
77
52
52
53
57
70
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
7
2
2
19
28
48
57
50
50
50
2
15
6
5
8
15
6
5
31
62
55
79
60

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
0
1
17
56
100
100
100
99
97
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
29
34
52
77
52
35
45
46
50
87
100
100
100
50
67
29
23

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
1
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 (%)

8
4
5
10
9
7
11
6
4
3
2
1
0
0
0
0
0
0
1
2
14
32
45
43

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
3
3
3
3
2
2
2
2
2
2
2
2
2
3
3
4
4
5
6
8
9
10

Chance of Frost

Temperature (°C)

3
3
2
2
1
1
1
2
2
2
2
2
2
3
4
5
5
4
3
4
5
6
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
79
78
80
81
83
84
84
81
81
79
77
76
76
75
76
80
80
80
79
81
81
79

Pressure (mb)

1013
1013
1014
1014
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015

Ozone (du)

291
295
293
290
292
291
291
288
286
286
286
287
285
283
282
281
282
284
285
286
286
286
286
285

Tuesday 25

Waxing Crescent 34%

13:28

21:27

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:38, Set: 15:51, Transit: 12:14. Moon - Rise: 13:28, Set: 21:27. Civil Dark: 16:39 - 07:50. Nautical Dark: 17:29 - 07:00. Astro Dark: 18:16 - 06:13

Total Clouds (% Sky Obscured)

96
95
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
99
99
100
100
100

Low Clouds (% Sky Obscured)

73
75
71
84
97
100
100
100
100
94
90
95
100
100
100
100
100
100
98
92
92
92
92
93

Medium Clouds (% Sky Obscured)

73
52
68
64
75
76
81
97
91
94
87
70
60
55
60
63
88
98
100
95
96
91
100
100

High Clouds (% Sky Obscured)

0
32
65
20
100
100
36
35
66
35
26
68
100
100
100
100
100
93
100
81
86
91
100
100

ISS Passover

Visibility (miles)

9
9
9
4
4
4
5
9
7
9
7
8
4
9
9
9
1
0
0
0
0
1
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

47
45
61
74
79
66
72
70
62
70
90
85
50
39
25
33
29
21
20
21
60
92
95
95

Precipitation Amount (mm)

0
0
0.3
0.5
0.7
0.4
0.6
0.4
0.3
0.3
0.7
0.7
0
0
0
0
0
0
0
0
0.3
0.7
1.3
1.2

Wind Speed/Direction (mph)

11
12
14
15
16
19
20
20
22
22
22
21
22
22
22
22
21
18
13
12
12
14
16
18

Chance of Frost

Temperature (°C)

7
7
8
8
8
9
9
9
8
8
9
9
9
9
9
9
10
10
10
12
12
12
12
12

Feels Like (°C)

3
3
3
4
5
4
4
4
3
3
3
3
3
4
4
5
6
7
7
8
9
9
8
8

Dew Point (°C)

4
5
5
7
7
7
7
7
6
7
7
7
8
8
8
8
9
10
10
11
11
11
11
11

Relative Humidity (%)

81
82
81
90
91
90
91
88
87
88
91
91
95
93
93
93
96
98
96
96
96
96
95
95

Pressure (mb)

1014
1014
1013
1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1006
1006
1005
1004
1004
1003
1003
1002
1002
1001
1000

Ozone (du)

285
285
284
286
287
287
285
285
287
290
291
288
286
285
285
284
283
281
278
276
276
273
273
271

Wednesday 26

Waxing Crescent 45%

13:33

No Set

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:40, Set: 15:49, Transit: 12:15. Moon - Rise: 13:33, Set: No Set. Civil Dark: 16:38 - 07:52. Nautical Dark: 17:28 - 07:01. Astro Dark: 18:15 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
87
73
59
66
72
79
81
81
80
88
94
100
98

Low Clouds (% Sky Obscured)

94
96
94
92
90
90
91
92
80
67
55
57
58
59
62
64
67
67
67
67
76
80
88
87

Medium Clouds (% Sky Obscured)

100
100
100
98
100
98
95
93
74
58
4
13
12
4
29
26
36
33
57
53
71
85
100
85

High Clouds (% Sky Obscured)

100
100
96
92
91
92
92
94
97
98
100
77
47
20
15
10
15
15
3
0
0
0
0
5

ISS Passover

Visibility (miles)

5
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
5
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
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

95
95
80
50
66
95
95
95
92
95
51
42
22
7
16
23
32
70
76
52
68
64
62
83

Precipitation Amount (mm)

1.1
1.1
0.5
0
0.3
1
0.7
0.9
0.7
0.9
0
0
0
0
0
0
0
0.3
0.4
0
0.3
0.3
0.2
0.6

Wind Speed/Direction (mph)

19
20
22
24
24
25
25
25
25
26
26
27
27
27
28
27
28
29
29
28
28
28
28
30

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
12
12
12
12
12
12
12
12
11
11
10
9
8
8
7
7
7
5
5
4
4
5

Relative Humidity (%)

95
96
96
96
96
98
95
96
98
96
96
95
90
86
85
84
84
82
87
78
75
75
74
78

Pressure (mb)

1000
999
998
997
996
995
994
993
993
992
991
991
991
991
990
990
989
989
989
989
989
989
989
990

Ozone (du)

268
269
268
267
266
265
266
265
265
266
266
265
264
264
265
266
267
270
274
282
287
288
288
297

Thursday 27

Waxing Crescent 55%

13:37

22:57

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:42, Set: 15:48, Transit: 12:15. Moon - Rise: 13:37, Set: 22:57. Civil Dark: 16:37 - 07:53. Nautical Dark: 17:27 - 07:03. Astro Dark: 18:14 - 06:16

Total Clouds (% Sky Obscured)

94
92
96
98
99
100
100
100
100
100
91
89
86
98
87
76
63
70
76
82
83
83
83
85

Low Clouds (% Sky Obscured)

87
89
82
76
71
67
62
57
51
49
44
54
64
73
67
62
57
57
57
57
59
61
63
67

Medium Clouds (% Sky Obscured)

66
32
44
68
85
91
93
93
100
100
77
46
53
82
77
68
60
55
55
57
50
42
33
33

High Clouds (% Sky Obscured)

11
17
43
59
76
83
72
62
62
70
72
63
48
34
28
18
20
28
35
50
53
42
27
43

ISS Passover

Visibility (miles)

7
8
8
8
8
6
6
5
1
6
7
9
6
7
7
8
8
9
9
9
9
9
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

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

Precipitation Probability (%)

80
69
86
78
65
76
70
62
65
63
49
56
57
56
72
50
38
49
44
46
52
45
38
50

Precipitation Amount (mm)

0.5
0
0.6
0.4
0
0.4
0.3
0
0.3
0.3
0
0.2
0.2
0.2
0.4
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

29
28
28
26
24
22
21
19
17
15
14
13
14
13
12
11
11
11
10
9
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
79
78
78
82
82
82
81
82
81
78
78
76
76
74
72
70
71
71
72
71
72
70

Pressure (mb)

990
990
990
990
991
991
992
993
993
994
995
996
997
997
998
998
998
999
999
999
1000
1000
1000
1000

Ozone (du)

311
316
314
312
310
308
308
309
312
314
314
314
316
316
318
321
323
325
328
331
333
334
335
336

Friday 28

First Quarter 66%

13:40

00:27

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 OK
18 OK
19 OK
20 OK
21 OK

Sun - Rise: 08:44, Set: 15:47, Transit: 12:15. Moon - Rise: 13:40, Set: 00:27. Civil Dark: 16:36 - 07:55. Nautical Dark: 17:26 - 07:04. Astro Dark: 18:14 - 06:17

Total Clouds (% Sky Obscured)

86
90
94
97
100
97
94
91
89
88
87
84
83
81
71
60
51
46
40
35
33
32
30
27

Low Clouds (% Sky Obscured)

69
75
78
81
83
82
81
80
80
82
83
84
83
81
71
60
50
45
40
35
33
32
30
27

Medium Clouds (% Sky Obscured)

33
37
58
78
98
86
76
63
53
44
35
27
19
12
10
8
6
4
2
0
0
0
0
0

High Clouds (% Sky Obscured)

56
53
32
38
40
27
18
9
7
6
4
4
3
2
2
2
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
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 (%)

51
44
58
59
45
49
43
31
38
29
16
25
21
8
22
29
32
33
26
18
21
18
13
15

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
4
3
2
1
1
1
2
2
2
2
3
3
3
4
5
7
6
6
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
77
83
89
88
85
82
80
79
77
77
76
76
76
75
75
75
75
76
76
77
79

Pressure (mb)

1000
1000
1000
1000
999
999
1000
1000
1000
1001
1002
1002
1003
1004
1005
1005
1006
1007
1008
1009
1011
1011
1012
1013

Ozone (du)

338
339
340
342
344
346
344
341
339
340
342
344
341
339
337
338
338
339
338
337
336
335
334
332

Saturday 29

Waxing Gibbous 77%

13:43

01:58

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

Sun - Rise: 08:45, Set: 15:46, Transit: 12:16. Moon - Rise: 13:43, Set: 01:58. Civil Dark: 16:35 - 07:57. Nautical Dark: 17:26 - 07:06. Astro Dark: 18:13 - 06:18

Total Clouds (% Sky Obscured)

25
22
24
26
28
32
36
43
66
87
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
22
24
26
23
23
28
33
38
43
48
53
59
65
66
66
69
79
88
97

Medium Clouds (% Sky Obscured)

0
0
4
9
15
21
27
36
56
77
98
98
99
99
99
100
100
96
92
89

High Clouds (% Sky Obscured)

0
0
0
0
0
4
5
5
40
80
97
99
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

11
4
5
6
0
2
7
12
16
14
6
18
31
46
61
78
94
90
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.6
0.7
1

Wind Speed/Direction (mph)

3
3
3
4
4
5
6
8
10
11
13
15
17
18
20
22
23
24
25
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
75
77
77
77
78
79
78
76
74
72
78
85
90
91
93
93
93
93

Pressure (mb)

1014
1014
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1011
1010
1009
1008
1006
1005
1004

Ozone (du)

330
328
326
323
320
316
314
312
309
308
307
305
303
301
298
295
292
289
286
283

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

Generated: 23/11/25 22:15:52. Forecast: 23/11/25 to 29/11/25. Timezone: UTC+0.00