Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 5%

11:52

16:06

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:30, Set: 15:56, Transit: 12:13. Moon - Rise: 11:52, Set: 16:06. Civil Dark: 16:43 - 07:43. Nautical Dark: 17:33 - 06:53. Astro Dark: 18:21 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
91
53
93
94
95
84
64
43
52
72
78
72
100
99
98
89
86
79

Low Clouds (% Sky Obscured)

57
38
25
28
36
62
31
27
40
66
73
66
46
34
40
33
30
24
29
29
38
28
39
37

Medium Clouds (% Sky Obscured)

100
94
95
88
90
78
41
10
58
43
34
7
9
0
7
6
40
57
100
96
95
52
34
22

High Clouds (% Sky Obscured)

86
100
75
100
100
65
60
15
66
82
54
31
10
2
2
32
40
43
44
47
4
21
40
33

ISS Passover

Visibility (miles)

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

Fog (%)

4
3
1
6
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
17
6
16
32
23
24
30
52
44
51
65
46
25
23
20
21
20
21
33
22
22
17
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
9
7
6
3
3
4
4
4
4
4
4
3
3
3
3
3
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
94
96
94
93
94
93
93
91
91
94
94
93
93
91
88
86
85
88
88
89
89

Pressure (mb)

1012
1012
1011
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007
1006
1006
1005
1005
1005

Ozone (du)

251
252
256
256
255
257
256
253
252
254
254
254
256
257
255
254
254
256
257
258
260
260
259
259

Saturday 22

Waxing Crescent 10%

12:38

17:08

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:32, Set: 15:55, Transit: 12:13. Moon - Rise: 12:38, Set: 17:08. Civil Dark: 16:42 - 07:45. Nautical Dark: 17:32 - 06:55. Astro Dark: 18:20 - 06:08

Total Clouds (% Sky Obscured)

53
45
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
9
45
65
68
48
71
73
50
89
93
91
55
51
77
74
52
39
43
49
54
52
43
54

Medium Clouds (% Sky Obscured)

7
27
51
100
100
100
100
100
100
100
95
100
100
75
100
100
100
100
100
100
100
99
100
100

High Clouds (% Sky Obscured)

20
32
64
100
100
100
100
100
100
100
100
100
77
100
100
89
81
92
100
100
100
71
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
2
0
0
2
2
2
1
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
24
11
8
9
9
10
14
21
28
38
50
41
38
20
14
8
5
6
14
15
18
32
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
3
4
4
4
5
4
4
4
4
6
6
7
8
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
91
93
93
93
91
88
86
85
83
85
85
88
86
83
82
79
76
75
76
79
79
79

Pressure (mb)

1004
1004
1003
1002
1001
1001
1000
999
998
997
996
995
995
995
995
995
995
995
995
995
995
995
995
996

Ozone (du)

259
259
259
262
265
267
269
271
274
273
273
273
274
275
277
279
280
279
280
281
282
284
287
289

Sunday 23

Waxing Crescent 17%

13:05

No Set

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

Sun - Rise: 08:34, Set: 15:54, Transit: 12:14. Moon - Rise: 13:05, Set: No Set. Civil Dark: 16:41 - 07:46. Nautical Dark: 17:31 - 06:56. Astro Dark: 18:19 - 06:10

Total Clouds (% Sky Obscured)

100
100
99
100
97
92
91
83
66
27
25
53
62
61
64
61
64
72
74
85
87
68
49
26

Low Clouds (% Sky Obscured)

68
68
67
76
76
74
79
60
39
4
15
46
53
53
53
44
42
53
47
41
36
31
27
23

Medium Clouds (% Sky Obscured)

100
100
97
100
85
68
71
43
25
10
1
0
0
0
7
1
6
6
23
37
58
38
21
0

High Clouds (% Sky Obscured)

100
100
59
42
39
52
30
35
35
27
25
35
24
12
15
37
31
31
5
19
5
4
2
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
39
40
45
35
24
11
7
4
4
6
16
17
19
11
21
21
23
19
19
8
14
16
7

Precipitation Amount (mm)

0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
0
0
0
1
-1
-0
0
-0
1
0
-1
-1
-1
-1
1
1
1
1
1
-0
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
82
82
78
76
75
73
75
77
76
74
73
73
76
76
68
72
68
63
63
64
68

Pressure (mb)

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

Ozone (du)

291
291
291
290
291
295
297
300
300
300
299
303
298
295
292
290
291
291
290
291
292
299
301
302

Monday 24

Waxing Crescent 25%

13:19

18:28

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

Sun - Rise: 08:36, Set: 15:52, Transit: 12:14. Moon - Rise: 13:19, Set: 18:28. Civil Dark: 16:40 - 07:48. Nautical Dark: 17:30 - 06:58. Astro Dark: 18:18 - 06:11

Total Clouds (% Sky Obscured)

36
50
59
51
42
26
27
31
40
26
13
0
19
39
58
55
46
45
62
80
97
98
99
100

Low Clouds (% Sky Obscured)

31
42
47
40
34
26
27
31
40
26
13
0
0
0
0
0
0
3
18
31
46
39
33
27

Medium Clouds (% Sky Obscured)

3
7
11
28
5
0
0
0
0
0
0
0
0
0
0
9
18
27
42
56
92
95
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
16
36
50
44
23
25
24
35
45
58
78
100

ISS Passover

Visibility (miles)

9
9
6
8
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
28
34
40
29
14
16
14
16
16
14
8
9
12
9
10
9
3
4
7
4
10
16
11

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)

9
10
9
8
7
5
4
4
3
3
3
2
2
2
2
2
2
2
3
3
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
77
80
79
79
79
82
85
84
86
86
88
88
86
86
83
82
80
80
82
83
83
80

Pressure (mb)

1011
1012
1013
1013
1013
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1017

Ozone (du)

302
299
295
294
295
299
299
296
295
292
291
291
290
288
289
289
288
287
286
286
285
286
286
287

Tuesday 25

Waxing Crescent 34%

13:28

19:57

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:38, Set: 15:51, Transit: 12:14. Moon - Rise: 13:28, Set: 19:57. Civil Dark: 16:39 - 07:50. Nautical Dark: 17:29 - 07:00. Astro Dark: 18:17 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
79
68
79
89
100
100
100
100

Low Clouds (% Sky Obscured)

41
55
70
74
77
79
80
81
81
87
93
100
92
84
75
70
66
60
55
44
36
56
75
95

Medium Clouds (% Sky Obscured)

100
100
100
98
95
94
96
98
100
100
99
99
95
90
85
65
45
25
18
9
0
20
40
65

High Clouds (% Sky Obscured)

75
58
40
60
81
100
100
100
100
100
100
100
100
100
100
83
61
17
38
68
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
7
5
2
2
1
1
0
2
4
6
7
8
9
7
4

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

Precipitation Probability (%)

25
30
30
36
45
54
60
69
80
91
95
95
95
95
95
95
80
66
59
51
41
44
36
25

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.4
0.5
0.5
1.2
2
2
1.5
1.3
0.8
0.5
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
9
11
12
14
15
17
18
18
18
19
11
8
7
6
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
4
5
6
7
7
7
9
9
9
9
9
9
8
8
7
8
7

Relative Humidity (%)

79
78
78
75
75
74
72
82
82
85
91
93
93
95
96
96
96
96
96
96
95
95
96
96

Pressure (mb)

1017
1016
1016
1016
1015
1014
1013
1012
1011
1010
1010
1009
1008
1009
1009
1008
1008
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

286
286
285
285
285
284
284
282
283
284
284
283
283
285
287
290
291
293
295
292
289
286
285
284

Wednesday 26

Waxing Crescent 45%

13:33

21:27

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 08:40, Set: 15:49, Transit: 12:15. Moon - Rise: 13:33, Set: 21:27. Civil Dark: 16:38 - 07:52. Nautical Dark: 17:28 - 07:01. Astro Dark: 18:16 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
81
70

Low Clouds (% Sky Obscured)

96
97
99
99
99
100
99
97
96
95
94
93
93
93
93
94
96
97
98
99
100
89
78
67

Medium Clouds (% Sky Obscured)

74
81
81
83
79
82
82
82
85
89
95
100
100
100
100
99
99
98
97
95
91
61
33
6

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
72
67

ISS Passover

Visibility (miles)

2
2
2
2
5
7
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
3
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

32
33
36
46
46
54
44
43
62
73
73
81
88
95
95
95
93
68
79
95
95
95
73
42

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0.3
0.4
0.3
0.5
0.5
0.7
1.2
1
0.6
0.2
0.4
0.7
1.5
0.9
0.3
0

Wind Speed/Direction (mph)

5
5
5
5
6
7
9
10
13
15
15
14
13
13
13
13
14
15
16
15
15
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
95
95
95
95
95
95
96
96
98
98
96
96
96
96
96
96
96
96
95
93

Pressure (mb)

1008
1008
1007
1007
1007
1006
1006
1005
1004
1004
1003
1002
1002
1001
1001
1001
1000
1000
1000
999
999
999
999
999

Ozone (du)

283
281
280
278
277
276
276
275
275
274
273
272
271
270
269
268
269
271
272
273
274
275
274
274

Thursday 27

Waxing Crescent 45%

13:37

22:57

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

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: 18:15 - 06:16

Total Clouds (% Sky Obscured)

70
69
67
62
60
68
76
81
83
87
89
92
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

65
63
61
56
50
45
49
54
58
58
58
56
66
74
80
83
82
82

Medium Clouds (% Sky Obscured)

12
19
25
26
27
28
28
39
50
58
60
63
68
74
79
76
72
69

High Clouds (% Sky Obscured)

70
69
67
62
59
42
48
56
60
65
60
65
70
70
65
65
70
69

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

39
36
37
56
48
41
50
44
34
53
45
33
51
45
37
68
63
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
15
15
15
16
16
16
16
16
16
17
17
18
19
19
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
91
91
90
88
88
88
88
90
90
90
91
91
90
90
87

Pressure (mb)

999
999
999
999
999
999
999
999
999
998
998
998
997
997
997
997
998
998

Ozone (du)

274
275
276
276
276
277
277
278
279
280
281
282
283
283
284
285
286
288

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

Generated: 21/11/25 18:36:10. Forecast: 21/11/25 to 27/11/25. Timezone: UTC+0.00