Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

First Quarter 59%

17:45

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: 07:06, Set: 19:34, Transit: 13:20. Moon - Rise: 17:45, Set: No Set. Civil Dark: 20:13 - 06:27. Nautical Dark: 21:01 - 05:40. Astro Dark: 21:52 - 04:49

Total Clouds (% Sky Obscured)

81
71
71
94
89
74
63
61
45
69
47
46
69
73
69
51
56
53
57
87
96
92
77
93

Low Clouds (% Sky Obscured)

44
57
71
80
69
61
57
61
45
67
47
46
69
68
69
50
56
48
56
79
90
74
77
86

Medium Clouds (% Sky Obscured)

0
21
0
47
76
36
28
24
0
2
2
2
17
14
0
0
0
0
0
2
26
33
3
20

High Clouds (% Sky Obscured)

0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
10
15
1
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

31
0
50
71
71
72
80
86
83
60
57
43
45
46
47
45
43
44
50
55
59
59
75
79

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

24
21
19
19
20
21
20
20
22
22
22
23
24
27
27
28
28
27
27
27
26
26
24
22

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
11
11
11
12
12
12
13
13
13
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
87
86
83
86
86
84
86
87
87
84
83
83
81
83
84
83
83
86
87
89
90
90

Pressure (mb)

994
994
994
994
994
994
993
993
993
994
994
995
996
996
997
998
999
999
1000
1000
1001
1001
1002
1003

Ozone (du)

313
316
318
322
324
322
323
326
333
338
344
350
350
345
335
329
326
324
323
323
322
324
326
331

Saturday 19

Waxing Gibbous 68%

18:10

22:26

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: 07:09, Set: 19:31, Transit: 13:20. Moon - Rise: 18:10, Set: 22:26. Civil Dark: 20:11 - 06:29. Nautical Dark: 20:58 - 05:42. Astro Dark: 21:48 - 04:52

Total Clouds (% Sky Obscured)

97
77
88
73
65
60
63
53
73
42
38
37
36
38
56
65
76
94
97
81
100
100
100
100

Low Clouds (% Sky Obscured)

69
63
79
59
51
47
51
53
65
42
38
37
36
38
42
49
58
44
43
40
28
42
37
54

Medium Clouds (% Sky Obscured)

93
77
79
19
17
13
14
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
35
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
20
25
21
85
91
66
100
100
100
100

ISS Passover

Visibility (miles)

8
8
3
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
Light Rain
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 (%)

92
95
72
45
38
24
29
17
23
12
11
20
19
7
16
4
14
2
7
11
2
0
2
2

Precipitation Amount (mm)

0.5
0.8
0.3
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)

21
21
21
20
21
21
21
20
18
18
17
18
20
21
21
21
21
19
17
16
13
9
6
4

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
11
11
11
11
11
12
12
13
13
13
13
13
12
12
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
88
87
84
84
84
83
84
81
78
75
72
70
69
68
68
69
71
73
76
77
78
80

Pressure (mb)

1004
1004
1005
1006
1007
1008
1009
1011
1012
1013
1015
1016
1017
1018
1019
1020
1021
1022
1022
1023
1023
1024
1024
1025

Ozone (du)

334
340
342
344
348
354
354
352
346
337
331
327
321
318
314
311
310
307
303
300
298
297
297
295

Sunday 20

Waxing Gibbous 77%

18:24

23:45

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: 07:11, Set: 19:29, Transit: 13:20. Moon - Rise: 18:24, Set: 23:45. Civil Dark: 20:08 - 06:32. Nautical Dark: 20:55 - 05:45. Astro Dark: 21:45 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

79
58
40
45
50
60
75
87
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100

Medium Clouds (% Sky Obscured)

82
98
95
100
100
100
95
92
89
86
84
56
19
19
17
11
5
0
1
1
2
9
17
24

High Clouds (% Sky Obscured)

100
100
45
60
80
100
81
62
51
52
58
17
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
5
3
2
2
3
0
0
0
0
9
9
9
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
63
66
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
5
25
57
80
95
95
95
84
71
58
24
14
10
12
6
14
5
9
15
4
4
3
4

Precipitation Amount (mm)

0
0
0
0
0.4
0.5
0.7
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
6
7
8
9
11
12
11
11
11
11
10
10
10
10
10
11
11
12
12
12

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
12
12
13
14
14
15
15
15
16
15
15
15
15
15

Feels Like (°C)

8
8
8
8
7
8
9
9
9
9
11
11
12
12
12
13
14
14
15
14
14
13
14
13

Dew Point (°C)

7
8
8
8
9
10
10
10
10
11
12
12
12
13
13
14
14
15
15
15
15
14
15
14

Relative Humidity (%)

82
84
83
87
93
95
95
96
96
98
98
98
96
95
93
92
92
95
96
96
96
95
96
96

Pressure (mb)

1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

291
290
290
289
287
285
282
281
280
280
280
279
281
282
282
281
280
280
281
283
286
285
285
286

Monday 21

Waxing Gibbous 74%

18:32

01:11

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: 07:13, Set: 19:26, Transit: 13:19. Moon - Rise: 18:32, Set: 01:11. Civil Dark: 20:05 - 06:34. Nautical Dark: 20:51 - 05:47. Astro Dark: 21:42 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
98
95
93
93
94
94
96
98
100
90
80
71
80
90
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

100
100
100
96
91
87
84
79
75
83
92
100
89
78
67
60
54
48
42
36
30
46
49
53

Medium Clouds (% Sky Obscured)

22
17
15
15
12
11
16
17
20
26
35
41
58
36
47
59
65
74
76
92
100
92
82
73

High Clouds (% Sky Obscured)

0
2
1
1
0
20
3
23
23
25
41
60
40
21
4
40
45
65
73
100
100
41
42
48

ISS Passover

Visibility (miles)

0
1
7
6
9
9
9
1
3
0
0
8
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
6
3
9
9
9
14
30
61
67
62
62
52
35
16
23
16
8
10
7
2
31
23
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
16
15
14
14
15
16
18
15
12
10
10
10
10
10
9
8
6
4
2
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
14
14
13
13
14
14
14
14
13
14
13
13
13
13
13
12
12
11
10
11

Dew Point (°C)

15
14
14
14
14
15
14
14
15
15
14
14
13
12
11
11
10
11
11
10
10
10
9
9

Relative Humidity (%)

98
95
93
93
93
95
92
95
96
98
96
95
92
83
80
78
75
80
83
84
84
86
87
88

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1025

Ozone (du)

289
291
293
295
295
296
299
299
298
296
296
296
296
296
296
296
297
298
298
298
301
303
303
302

Tuesday 22

Waxing Gibbous 85%

18:38

02:39

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: 07:15, Set: 19:23, Transit: 13:19. Moon - Rise: 18:38, Set: 02:39. Civil Dark: 20:02 - 06:36. Nautical Dark: 20:48 - 05:49. Astro Dark: 21:38 - 05:00

Total Clouds (% Sky Obscured)

90
82
73
68
63
58
58
57
56
52
48
44
50
55
60
56
52
48
65
83
100
100
100
100

Low Clouds (% Sky Obscured)

55
55
58
58
58
58
58
57
56
52
48
43
49
54
59
48
37
26
36
46
57
48
39
30

Medium Clouds (% Sky Obscured)

80
82
73
68
63
58
58
57
56
52
48
44
50
55
60
56
52
48
35
21
7
9
16
20

High Clouds (% Sky Obscured)

49
50
50
45
45
40
25
15
5
0
0
5
6
7
17
19
15
6
34
64
85
78
74
61

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 (%)

38
40
20
32
31
19
36
26
13
27
23
25
48
50
41
37
29
17
16
16
14
9
6
1

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
11
12
12
12
13
13
13
13
13
12
11
11
10

Feels Like (°C)

10
10
11
10
9
10
9
9
9
10
9
9
10
10
10
11
12
12
11
12
13
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
90
90
91
91
91
90
91
88
85
84
80
76
74
70
66
63
70
77
84
85
88

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023

Ozone (du)

302
302
302
302
303
305
307
308
309
310
313
316
319
322
325
328
329
331
333
329
326
322
320
317

Wednesday 23

Waxing Gibbous 92%

18:42

04:06

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: 07:17, Set: 19:20, Transit: 13:19. Moon - Rise: 18:42, Set: 04:06. Civil Dark: 19:59 - 06:38. Nautical Dark: 20:45 - 05:52. Astro Dark: 21:35 - 05:02

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
87
74
60
54
48
42
50
58
67
58
49
40

Low Clouds (% Sky Obscured)

36
43
49
52
55
58
72
86
100
100
100
100
87
74
60
54
48
42
46
50
55
50
45
40

Medium Clouds (% Sky Obscured)

20
20
20
47
70
92
84
75
67
77
89
99
87
74
60
50
30
10
35
58
67
58
49
40

High Clouds (% Sky Obscured)

70
83
100
100
100
100
98
96
95
97
98
99
87
74
60
54
48
42
50
36
26
29
30
40

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

39
56
69
63
54
55
59
63
54
61
73
95
87
58
30
19
11
3
24
41
62
74
73
55

Precipitation Amount (mm)

0
0.2
0.4
0.3
0
0.2
0.2
0.3
0
0.2
0.4
0.7
0.6
0.2
0
0
0
0
0
0
0.3
0.4
0.4
0.2

Wind Speed/Direction (mph)

11
12
14
16
18
20
23
25
28
29
31
30
30
29
26
25
24
24
24
24
23
23
22
21

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
11
11
12
13
14
14
14
14
14
14
13
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
88
90
90
90
88
88
85
84
81
80
78
74
70
71
71
71
76
83
89
87
89

Pressure (mb)

1023
1022
1022
1021
1020
1019
1018
1016
1015
1014
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

315
314
312
311
310
309
307
306
305
304
303
303
302
300
298
296
294
293
292
291
289
288
289
291

Thursday 24

Waxing Gibbous 97%

18:45

05:33

22 Bad
23 Bad
00 Bad

Sun - Rise: 07:19, Set: 19:17, Transit: 13:18. Moon - Rise: 18:45, Set: 05:33. Civil Dark: 19:56 - 06:40. Nautical Dark: 20:42 - 05:54. Astro Dark: 21:32 - 05:05

Total Clouds (% Sky Obscured)

39
38
37

Low Clouds (% Sky Obscured)

39
38
37

Medium Clouds (% Sky Obscured)

39
34
28

High Clouds (% Sky Obscured)

39
38
37

ISS Passover

Visibility (miles)

9
9
9

Fog (%)

0
0
0

Precipitation Type

None
None
None

Precipitation Probability (%)

47
28
4

Precipitation Amount (mm)

0
0
0

Wind Speed/Direction (mph)

20
21
21

Chance of Frost

Temperature (°C)

12
12
11

Feels Like (°C)

8
8
8

Dew Point (°C)

10
10
10

Relative Humidity (%)

87
87
88

Pressure (mb)

1009
1009
1009

Ozone (du)

292
292
293

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

Generated: 18/09/26 21:19:17. Forecast: 18/09/26 to 24/09/26. Timezone: UTC+1.00