Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 95%

19:21

03:52

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:13, Set: 20:10, Transit: 13:11. Moon - Rise: 19:21, Set: 03:52. Civil Dark: 20:46 - 05:38. Nautical Dark: 21:30 - 04:54. Astro Dark: 22:20 - 04:04

Total Clouds (% Sky Obscured)

83
78
75
67
86
89
87
77
96
99
100
100
100
100
100
100
100
100
100
100
76
59
52
49

Low Clouds (% Sky Obscured)

18
39
34
27
23
65
28
34
32
28
29
33
32
42
28
16
25
36
49
40
44
43
39
31

Medium Clouds (% Sky Obscured)

59
52
75
67
86
70
85
73
59
92
96
100
98
27
91
95
70
90
8
9
0
0
0
0

High Clouds (% Sky Obscured)

30
19
7
9
36
5
19
5
56
67
99
85
100
100
100
100
100
100
100
100
66
2
0
2

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
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

7
8
2
2
11
11
0
1
6
7
9
13
21
7
4
3
4
13
64
66
31
13
14
12

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
0
0
0

Wind Speed/Direction (mph)

12
13
14
14
16
15
14
14
13
13
12
10
9
9
9
8
6
5
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

16
18
20
21
22
24
25
25
26
25
24
24
22
20
20
19
18
17
16
16
16
15
15
16

Feels Like (°C)

13
15
16
16
17
20
21
21
21
21
20
21
19
18
18
17
17
16
16
16
16
17
18
18

Dew Point (°C)

13
13
11
10
10
9
9
8
7
6
8
9
11
13
14
13
13
12
13
14
15
14
14
15

Relative Humidity (%)

82
71
56
49
47
40
36
32
29
29
34
39
48
65
70
70
73
74
81
89
92
93
93
92

Pressure (mb)

1013
1013
1013
1012
1012
1011
1011
1010
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

326
324
324
321
320
321
321
319
316
316
314
313
314
316
317
318
320
322
324
325
327
328
328
327

Wednesday 26

Waxing Gibbous 99%

19:38

05:08

08 OK
09 Bad
10 Bad
11 OK
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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:15, Set: 20:08, Transit: 13:11. Moon - Rise: 19:38, Set: 05:08. Civil Dark: 20:43 - 05:40. Nautical Dark: 21:27 - 04:56. Astro Dark: 22:17 - 04:07

Total Clouds (% Sky Obscured)

44
84
67
40
49
59
50
91
92
100
100
100
100
60
91
92
100
100
100
100
100
100
91
67

Low Clouds (% Sky Obscured)

22
30
40
25
43
56
50
57
57
22
11
0
0
0
0
3
50
50
34
41
59
94
87
67

Medium Clouds (% Sky Obscured)

0
0
0
0
0
9
0
1
3
1
0
32
86
60
91
92
100
99
100
100
76
97
91
64

High Clouds (% Sky Obscured)

10
48
52
14
1
1
3
79
83
100
100
100
100
28
57
17
100
100
100
100
100
100
47
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Moderate Rain
Light Rain
None

Precipitation Probability (%)

5
0
0
0
0
2
21
17
2
1
0
0
0
2
8
7
9
23
73
91
95
95
95
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.3
3.2
0.9
0

Wind Speed/Direction (mph)

3
5
7
9
9
8
9
10
10
10
11
9
5
4
4
5
6
6
6
7
8
9
11
10

Chance of Frost

Temperature (°C)

17
19
20
21
23
24
25
26
25
25
24
23
21
20
19
18
18
18
18
17
17
17
18
18

Feels Like (°C)

19
20
20
22
23
24
24
24
25
24
22
21
20
19
18
18
18
17
17
17
17
17
17
17

Dew Point (°C)

14
15
14
12
11
11
10
12
15
15
11
12
13
13
13
13
13
12
14
15
15
16
17
17

Relative Humidity (%)

85
77
67
54
47
42
39
42
53
52
44
49
59
66
68
71
73
70
78
83
86
93
93
93

Pressure (mb)

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

Ozone (du)

327
327
327
327
327
326
323
322
321
322
322
322
322
324
324
323
322
323
324
326
327
327
327
327

Thursday 27

Waxing Gibbous 100%

19:53

06:25

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:16, Set: 20:06, Transit: 13:10. Moon - Rise: 19:53, Set: 06:25. Civil Dark: 20:41 - 05:41. Nautical Dark: 21:25 - 04:58. Astro Dark: 22:14 - 04:09

Total Clouds (% Sky Obscured)

99
100
100
100
100
44
98
100
100
65
57
53
64
66
77
89
96
87
93
95
91
87
85
90

Low Clouds (% Sky Obscured)

81
73
87
84
21
25
42
38
34
35
7
9
11
12
18
24
29
29
30
28
31
24
22
21

Medium Clouds (% Sky Obscured)

70
14
18
23
16
6
0
0
24
21
48
35
51
66
77
89
25
10
5
0
0
0
0
1

High Clouds (% Sky Obscured)

95
100
100
99
100
1
96
99
100
50
57
33
49
48
63
81
96
87
85
79
58
40
25
49

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 (%)

18
14
26
25
6
4
2
2
3
1
2
3
7
5
1
1
0
0
0
0
0
0
0
3

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
12
13
14
13
14
15
15
14
13
12
10
8
7
6
7
7
6
6
5
5
5
6

Chance of Frost

Temperature (°C)

18
19
20
21
21
22
23
23
23
22
21
20
18
17
15
16
15
15
15
14
14
14
14
14

Feels Like (°C)

18
19
20
19
19
20
22
20
20
19
18
17
17
16
14
15
14
14
15
14
13
13
13
13

Dew Point (°C)

17
18
17
17
15
12
10
9
9
8
9
10
12
12
10
11
11
11
12
12
12
12
13
12

Relative Humidity (%)

92
91
84
77
68
52
42
40
42
41
45
54
66
71
72
75
74
79
83
84
84
87
92
89

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

328
329
331
332
333
336
338
339
338
338
337
338
337
338
338
338
340
339
339
339
339
339
339
338

Friday 28

Full Moon 99%

20:05

07:42

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:18, Set: 20:04, Transit: 13:10. Moon - Rise: 20:05, Set: 07:42. Civil Dark: 20:39 - 05:43. Nautical Dark: 21:22 - 05:00. Astro Dark: 22:11 - 04:12

Total Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
98
98
99
91
81
51
78
80
76
85
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
17
20
24
28
39
47
53
46
47
74
77
75
45
52
62
65
52
49
74
74
69
82
65

Medium Clouds (% Sky Obscured)

1
3
14
25
92
92
90
23
17
79
41
13
39
4
4
5
4
70
85
47
89
93
77
5

High Clouds (% Sky Obscured)

73
98
99
99
100
100
100
100
96
50
38
26
17
7
55
55
27
17
82
93
57
67
96
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
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 (%)

4
3
21
29
33
38
38
35
26
14
8
8
7
0
1
4
0
3
3
1
6
17
1
2

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)

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

Chance of Frost

Temperature (°C)

16
17
18
20
20
21
20
20
20
20
20
20
19
17
17
16
16
16
16
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

12
12
11
9
8
9
8
6
6
7
11
14
15
15
16
15
14
15
14
14
14
14
14
13

Relative Humidity (%)

79
72
61
49
45
46
45
40
40
41
57
70
81
83
93
93
87
92
89
87
87
89
90
87

Pressure (mb)

1006
1006
1006
1006
1005
1006
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

337
337
337
336
335
333
332
332
331
331
328
322
319
319
317
315
314
312
310
308
304
304
304
303

Saturday 29

Waning Gibbous 96%

20:17

No Set

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 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:20, Set: 20:02, Transit: 13:10. Moon - Rise: 20:17, Set: No Set. Civil Dark: 20:37 - 05:45. Nautical Dark: 21:20 - 05:02. Astro Dark: 22:08 - 04:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
91
82
72
62
52
48
53
51
44
40
41
43
63
81
94
94

Low Clouds (% Sky Obscured)

41
59
82
82
80
75
71
72
67
57
47
35
21
7
27
37
44
40
41
43
63
75
80
83

Medium Clouds (% Sky Obscured)

55
96
93
50
100
98
96
95
68
38
10
8
5
1
2
1
0
0
0
0
6
12
17
20

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
68
36
4
2
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
4
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
Light Rain
Very Light Rain
Light Rain
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

Precipitation Probability (%)

5
14
42
85
67
93
95
95
95
95
95
83
56
3
2
2
2
8
8
8
9
10
5
12

Precipitation Amount (mm)

0
0
0
0.7
0.2
0.5
0.7
0.9
1.2
1.4
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
13
10
12
16
17
16
15
14
13
12
10
11
12
12
11
11
10
10
10
9
9
9
9

Relative Humidity (%)

85
74
62
71
92
93
90
88
83
79
75
69
75
80
87
84
83
80
79
78
75
75
74
75

Pressure (mb)

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

Ozone (du)

301
301
299
300
302
303
306
308
311
311
312
312
312
311
311
311
310
310
309
309
309
309
310
310

Sunday 30

Waning Gibbous 91%

20:28

09:00

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:21, Set: 19:59, Transit: 13:09. Moon - Rise: 20:28, Set: 09:00. Civil Dark: 20:34 - 05:46. Nautical Dark: 21:17 - 05:04. Astro Dark: 22:05 - 04:16

Total Clouds (% Sky Obscured)

93
93
88
82
83
88
91
95
93
90
87
77
66
64
68
64
63
65
68
70
75
81
85
75

Low Clouds (% Sky Obscured)

92
93
85
75
64
72
80
87
82
77
72
56
39
22
22
22
24
31
38
45
63
80
85
72

Medium Clouds (% Sky Obscured)

25
23
21
22
22
21
17
14
11
10
8
15
19
15
13
11
9
16
22
29
21
13
6
4

High Clouds (% Sky Obscured)

0
0
13
23
30
30
30
25
26
31
32
32
31
31
23
18
8
6
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
5
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
10
23
36
49
76
95
95
95
95
95
95
94
80
60
43
25
23
22
11
27
31
26
26

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.7
1.2
1
1
1.8
1.3
0.8
0.8
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
12
13
15
16
17
18
19
17
16
15
13
12
10
11
11
12
13
14
15
15
15
15

Chance of Frost

Temperature (°C)

14
16
17
18
19
20
20
20
20
19
18
17
16
15
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

12
13
12
14
14
15
17
16
15
16
17
17
12
13
13
13
12
12
12
12
12
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

68
64
58
55
51
48
49
51
54
61
72
83
86
89
92
92
92
90
90
92
92
92
89
87

Pressure (mb)

1009
1009
1009
1009
1008
1007
1007
1006
1005
1005
1005
1004
1004
1004
1005
1004
1004
1004
1004
1004
1005
1005
1006
1006

Ozone (du)

311
313
314
316
317
318
321
324
327
328
328
329
330
332
333
333
333
332
334
336
337
336
336
335

Monday 31

Waning Gibbous 83%

20:42

10:19

Sun - Rise: 06:23, Set: 19:57, Transit: 13:09. Moon - Rise: 20:42, Set: 10:19. Civil Dark: 20:32 - 05:48. Nautical Dark: 21:15 - 05:06. Astro Dark: 22:02 - 04:19

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 Bath, Bath and North East Somerset, United Kingdom (51.38,-2.36)

Generated: 25/08/26 08:40:58. Forecast: 25/08/26 to 31/08/26. Timezone: UTC+1.00