Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 97%

22:00

02:56

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 OK
20 OK
21 OK
22 OK
23 Bad

Sun - Rise: 05:10, Set: 21:54, Transit: 13:32. Moon - Rise: 22:00, Set: 02:56. Civil Dark: 22:51 - 04:13. Nautical Dark: 00:45 - 02:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
96
98
86
88
36
31
31
32
68

Low Clouds (% Sky Obscured)

76
60
85
76
94
74
89
87
91
100
95
95
84
73
74
74
86
86
86
36
31
31
32
36

Medium Clouds (% Sky Obscured)

100
100
98
94
100
100
100
98
95
97
97
93
77
36
54
50
61
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
97
100
100
100
100
100
100
96
95
77
57
96
46
75
63
60
3
0
0
0
0
0
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
2
0
0
0
0
6
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
Light Rain
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

Precipitation Probability (%)

24
37
66
27
51
91
95
95
95
95
95
72
16
16
28
25
33
32
29
5
3
1
3
2

Precipitation Amount (mm)

0
0
0
0
0
0.6
1.2
1.5
1.2
0.7
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
6
6
6
6
7
11
12
13
12
16
19
20
20
20
19
19
20
18
17
16

Chance of Frost

Temperature (°C)

13
13
13
14
14
14
14
14
14
14
14
15
16
17
18
17
17
17
17
16
15
14
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
90
93
96
98
98
98
98
98
98
96
96
82
83
88
79
83
89
85
82
84
86
87

Pressure (mb)

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

Ozone (du)

338
335
334
333
335
337
336
338
340
343
340
338
340
341
340
341
341
348
349
351
355
355
354
352

Wednesday 29

Full Moon 100%

22:08

04:23

00 Bad
01 OK
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
22 Bad
23 Bad

Sun - Rise: 05:12, Set: 21:52, Transit: 13:32. Moon - Rise: 22:08, Set: 04:23. Civil Dark: 22:48 - 04:16. Nautical Dark: 00:36 - 02:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
41
57
57
57
71
69
74
71
61
73
84
86
96
84
89
80
74
83
93
92
97
93
71

Low Clouds (% Sky Obscured)

38
41
45
47
50
41
45
47
49
49
67
63
56
80
64
67
71
61
76
93
79
88
80
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
34
42
54
35
41
33
35
41
50
57
55
45
40

High Clouds (% Sky Obscured)

40
3
16
21
18
43
31
51
48
25
32
2
1
0
0
0
0
0
0
0
0
0
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
8
8
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
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

3
2
1
2
4
8
9
15
19
37
43
42
39
34
52
47
49
37
41
53
57
29
8
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
13
13
12
11
12
14
16
16
15
14
13
14
13
13
13
12
10
7
10
12
9

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
13
14
15
15
16
17
16
16
16
15
15
15
14
13
12
12

Feels Like (°C)

8
8
9
9
8
8
8
8
10
10
10
12
13
14
13
12
12
11
12
12
12
12
9
11

Dew Point (°C)

10
10
10
10
10
10
9
9
10
9
10
11
13
12
11
9
9
9
9
9
10
9
8
9

Relative Humidity (%)

86
87
87
87
87
88
86
81
78
70
70
75
78
73
68
65
66
66
66
68
73
76
76
83

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1010
1010

Ozone (du)

352
353
353
355
354
356
357
358
358
358
360
366
368
367
367
369
372
371
368
370
370
370
372
374

Thursday 30

Waning Gibbous 100%

22:13

05:52

00 Bad
01 Bad
02 OK
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
22 Bad
23 Bad

Sun - Rise: 05:14, Set: 21:50, Transit: 13:32. Moon - Rise: 22:13, Set: 05:52. Civil Dark: 22:45 - 04:19. Nautical Dark: 00:29 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
62
39
56
61
62
76
74
96
93
80
83
86
95
80
63
58
65
41
34
38
39
37
33

Low Clouds (% Sky Obscured)

45
43
24
38
53
49
63
50
69
43
56
46
55
50
59
57
51
48
38
33
31
27
27
26

Medium Clouds (% Sky Obscured)

4
10
17
21
5
15
27
34
91
88
66
65
69
87
51
30
32
41
9
11
20
27
20
12

High Clouds (% Sky Obscured)

0
3
0
3
3
2
2
7
27
30
2
74
16
23
5
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
7
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 (%)

3
4
8
10
22
21
26
24
16
31
38
35
23
35
36
40
52
50
29
20
19
18
24
24

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)

8
6
5
5
5
5
4
4
6
8
9
9
9
9
10
12
12
13
13
12
10
8
6
6

Chance of Frost

Temperature (°C)

11
10
10
9
8
8
8
9
11
12
12
12
12
13
13
14
14
13
13
13
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
85
88
88
82
77
73
66
60
57
57
56
56
57
61
64
65
73
79
85
90

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

375
378
379
380
380
380
380
380
380
380
380
380
381
382
383
382
381
379
380
381
380
380
379
376

Friday 31

Waning Gibbous 98%

22:16

07:20

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
22 Bad
23 Bad

Sun - Rise: 05:16, Set: 21:48, Transit: 13:32. Moon - Rise: 22:16, Set: 07:20. Civil Dark: 22:42 - 04:22. Nautical Dark: 00:22 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
53
72
76
83
91
99
92
74
70
82
87
94
95
95
96
86
77
67
58
53
42
57
71

Low Clouds (% Sky Obscured)

25
25
55
62
53
58
46
37
29
32
39
53
73
59
59
64
70
68
66
56
53
42
44
51

Medium Clouds (% Sky Obscured)

4
3
10
40
59
78
97
88
43
38
77
78
90
92
93
94
79
65
50
44
40
42
57
71

High Clouds (% Sky Obscured)

7
31
68
76
79
46
58
47
37
20
18
1
23
25
25
35
40
2
3
5
33
42
14
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

24
27
33
18
29
37
39
37
27
30
37
61
73
59
36
42
46
67
58
49
52
51
57
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
7
6
8
8
8
8
9
10
10
10
10
10
9
10
10
10
11
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
88
85
88
85
84
77
69
65
63
66
74
64
64
63
68
75
74
76
84
88
90

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010
1011
1011
1010

Ozone (du)

376
377
377
379
381
383
384
384
384
383
382
381
378
379
380
380
381
383
382
380
379
377
378
375

Saturday 1

Waning Gibbous 94%

22:19

08:46

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
22 Bad
23 Bad

Sun - Rise: 05:18, Set: 21:46, Transit: 13:32. Moon - Rise: 22:19, Set: 08:46. Civil Dark: 22:40 - 04:24. Nautical Dark: 00:16 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
89
90
92
85
76
65
66
65
63
69
75
79
71
59
51
61
72
82
80
78
76
75
73

Low Clouds (% Sky Obscured)

53
50
50
50
52
52
50
56
62
63
66
58
48
52
53
51
53
52
49
48
46
44
52
57

Medium Clouds (% Sky Obscured)

84
86
87
88
68
32
23
26
42
44
60
70
79
71
59
51
61
71
74
62
55
49
37
27

High Clouds (% Sky Obscured)

1
1
1
1
1
5
13
11
7
3
18
0
19
16
12
2
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
7
6
9
9
9
9
8
8
8
8
9
9
9
9
9
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
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

54
53
43
41
49
44
33
50
64
62
43
28
30
39
44
46
46
46
42
42
44
46
51
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
9
9
9
8
8
7
9
10
12
12
12
12
12
12
13
12
11
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
87
85
87
90
87
81
83
89
79
68
64
66
67
68
69
70
71
75
79
83
84

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

376
376
375
373
372
372
373
373
373
373
373
374
375
377
379
382
384
384
383
382
380
377
375
373

Sunday 2

Waning Gibbous 88%

22:21

10:12

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 OK
22 Bad
23 Bad

Sun - Rise: 05:20, Set: 21:43, Transit: 13:32. Moon - Rise: 22:21, Set: 10:12. Civil Dark: 22:37 - 04:27. Nautical Dark: 00:10 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
74
78
79
81
84
83
77
70
62
63
65
64
65
65
63
57
53
54
40
26
17
22
43

Low Clouds (% Sky Obscured)

62
67
71
77
79
81
82
72
63
55
56
58
59
57
56
54
52
51
49
35
23
9
8
9

Medium Clouds (% Sky Obscured)

17
22
25
28
21
11
1
2
2
3
2
1
0
1
2
3
3
3
2
4
7
9
19
28

High Clouds (% Sky Obscured)

7
12
23
35
27
17
6
9
11
12
7
4
1
1
1
1
1
1
2
3
2
2
14
21

ISS Passover

Visibility (miles)

7
7
7
7
8
8
8
8
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 (%)

43
41
38
34
35
36
37
38
36
32
32
32
32
32
31
29
32
31
26
32
34
31
29
24

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
10
10
11
11
12
12
13
14
15
14
13
13
11
10
8
8
8
8
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
7
7
7
7
7
8
8
9
9
10
10
11
11
11
11
11
9
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
85
83
83
81
81
77
75
73
73
74
75
78
79
80
78
76
74
79
86
91
93

Pressure (mb)

1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

370
368
366
364
362
361
360
360
360
361
362
362
363
364
364
365
365
365
365
366
365
365
365
368

Monday 3

Waning Gibbous 80%

22:23

11:39

Sun - Rise: 05:23, Set: 21:41, Transit: 13:32. Moon - Rise: 22:23, Set: 11:39. Civil Dark: 22:34 - 04:30. Nautical Dark: 23:59 - 03:04. Astro Dark: N/A - N/A

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 Barvas, Western Isles, United Kingdom (58.35,-6.52)

Generated: 28/07/26 00:40:11. Forecast: 28/07/26 to 03/08/26. Timezone: UTC+1.00