Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 83%

20:47

11:46

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 OK
07 Bad
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:27, Set: 20:01, Transit: 13:13. Moon - Rise: 20:47, Set: 11:46. Civil Dark: 20:35 - 05:52. Nautical Dark: 21:18 - 05:10. Astro Dark: 22:05 - 04:24

Total Clouds (% Sky Obscured)

98
86
90
96
99
95
85
95
91
87
75
86
87
79
28
47
37
56
53
60
70
100
100
100

Low Clouds (% Sky Obscured)

28
42
22
22
29
26
16
7
32
47
12
19
38
56
0
4
0
48
52
33
29
28
28
27

Medium Clouds (% Sky Obscured)

4
50
89
43
83
95
46
95
76
73
53
78
67
62
28
20
37
8
12
24
21
19
19
11

High Clouds (% Sky Obscured)

27
25
20
20
22
27
22
0
0
1
2
7
24
5
5
18
8
7
4
2
27
99
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
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 (%)

0
2
0
0
10
0
0
0
0
2
10
3
12
1
0
0
1
5
22
17
17
16
11
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)

13
14
13
11
9
6
5
5
4
5
5
5
5
4
4
4
3
5
8
9
9
10
9
9

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
13
12
12
12
12
12
12
12
11
11
13
15
17
18
19
20
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
56
59
64
75
80
84
87
87
89
92
92
93
95
95
95
87
75
64
55
48
42
42
47

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

315
315
316
317
317
317
316
317
315
315
314
314
313
313
314
316
316
318
320
321
319
318
318
318

Tuesday 1

Waning Gibbous 74%

21:04

13:12

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:28, Set: 19:58, Transit: 13:12. Moon - Rise: 21:04, Set: 13:12. Civil Dark: 20:33 - 05:54. Nautical Dark: 21:15 - 05:12. Astro Dark: 22:02 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
99
73
97
100
100
97
99
97
100
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

11
31
18
12
1
2
18
6
32
48
24
32
26
25
25
21
31
36
96
71
94
63
48
76

Medium Clouds (% Sky Obscured)

64
66
91
79
75
22
100
100
81
55
10
78
40
97
97
99
71
97
86
28
18
24
16
17

High Clouds (% Sky Obscured)

100
98
100
100
100
100
100
65
72
84
73
91
100
100
79
94
51
4
7
91
87
98
100
97

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
7
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 (%)

19
7
3
1
1
0
1
1
2
1
2
2
3
5
11
15
28
39
25
9
9
25
20
21

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
7
8
8
6
6
5
5
5
5
4
5
4
4
4
4
4
5
7
10
14
15
14
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
17
16
15
14
13
13
12
13
13
13
13
13
13
13
14
15
14
14
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

46
48
54
58
69
77
86
90
87
89
87
93
90
87
89
90
82
70
60
56
53
59
58
59

Pressure (mb)

1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

318
319
319
319
320
320
316
313
307
305
303
302
301
300
297
295
294
294
293
292
293
293
293
293

Wednesday 2

Waning Gibbous 63%

21:27

14:37

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:30, Set: 19:56, Transit: 13:12. Moon - Rise: 21:27, Set: 14:37. Civil Dark: 20:31 - 05:56. Nautical Dark: 21:13 - 05:14. Astro Dark: 21:59 - 04:28

Total Clouds (% Sky Obscured)

96
97
78
90
86
72
90
90
91
96
90
89
89
95
90
84
86
81
72
75
92
92
90
88

Low Clouds (% Sky Obscured)

57
91
77
77
72
70
72
73
80
91
89
86
85
88
85
77
80
70
67
71
87
78
68
59

Medium Clouds (% Sky Obscured)

11
18
44
69
5
10
90
67
11
66
8
4
4
90
5
13
6
5
6
9
13
8
15
21

High Clouds (% Sky Obscured)

95
77
13
21
25
33
14
38
11
14
14
14
15
10
11
20
29
33
20
4
26
30
30
35

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

Precipitation Type

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

Precipitation Probability (%)

21
41
16
3
7
18
21
3
6
7
16
21
12
19
21
24
25
30
30
34
49
35
44
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
15
12
11
10
9
9
9
9
8
9
9
9
8
7
7
8
11
13
15
15
15
17
18

Chance of Frost

Temperature (°C)

20
21
21
20
19
18
18
18
18
18
18
18
18
19
19
19
19
20
21
22
22
22
22
23

Feels Like (°C)

17
18
19
19
18
17
18
18
18
17
18
18
17
18
18
19
19
20
20
21
20
20
20
20

Dew Point (°C)

14
15
17
17
17
17
17
17
18
18
18
17
17
18
18
18
19
20
19
18
15
13
13
15

Relative Humidity (%)

67
70
80
81
86
92
95
96
96
96
95
93
92
95
96
96
95
95
89
75
64
57
54
61

Pressure (mb)

1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

292
292
290
291
289
288
287
286
286
286
285
284
284
285
285
284
283
282
283
283
284
284
283
282

Thursday 3

Waning Gibbous 51%

22:00

15:56

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:32, Set: 19:54, Transit: 13:12. Moon - Rise: 22:00, Set: 15:56. Civil Dark: 20:28 - 05:57. Nautical Dark: 21:10 - 05:16. Astro Dark: 21:56 - 04:30

Total Clouds (% Sky Obscured)

88
93
96
96
96
95
71
71
69
93
93
94
94
94
93
95
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
74
85
86
59
52
58
51
42
86
88
88
85
81
78
82
87
93
68
64
54
52
42
40

Medium Clouds (% Sky Obscured)

26
27
37
27
17
9
3
8
4
4
4
3
3
8
13
95
98
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

33
42
64
48
44
35
0
1
2
29
32
29
48
64
67
75
76
93
92
94
95
96
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
7
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

33
34
25
31
23
25
28
27
26
26
24
32
43
49
43
47
54
63
55
41
28
13
8
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
16
14
14
14
14
14
15
15
14
12
12
11
11
11
9
10
11
12
14
14
14
14

Chance of Frost

Temperature (°C)

23
22
22
21
21
20
20
19
19
19
19
19
18
18
19
19
19
19
19
19
20
20
19
19

Feels Like (°C)

20
20
19
19
18
18
18
17
17
17
17
17
17
17
17
18
19
18
18
17
17
17
16
16

Dew Point (°C)

16
16
17
18
18
18
18
17
17
17
17
18
17
16
17
17
17
16
17
15
14
14
13
11

Relative Humidity (%)

64
67
72
80
85
89
89
89
89
90
92
95
90
88
86
88
86
85
85
77
70
68
67
59

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

283
283
283
284
285
285
284
285
286
286
286
288
290
290
291
293
296
295
297
298
297
297
299
302

Friday 4

Third Quarter 39%

22:48

15:56

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
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK

Sun - Rise: 06:33, Set: 19:52, Transit: 13:11. Moon - Rise: 22:48, Set: 15:56. Civil Dark: 20:26 - 05:59. Nautical Dark: 21:08 - 05:18. Astro Dark: 21:53 - 04:33

Total Clouds (% Sky Obscured)

71
69
66
97
77
93
99
100
90
99
89
78
85
74
70
52
46
46
43
38
31
38
43
47

Low Clouds (% Sky Obscured)

30
19
10
7
5
4
10
17
24
23
33
35
25
24
26
35
28
25
18
12
8
13
15
19

Medium Clouds (% Sky Obscured)

13
5
5
6
7
78
5
5
0
0
0
0
5
5
5
8
8
7
7
7
6
5
6
8

High Clouds (% Sky Obscured)

50
51
46
94
62
53
99
99
79
94
76
63
56
35
22
2
3
3
3
3
4
7
9
10

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

0
0
0
0
0
0
0
5
0
0
4
0
5
8
0
0
0
0
0
0
0
0
0
0

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)

15
14
13
10
8
6
5
5
5
4
4
4
3
2
2
3
3
4
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
14
13
13
12
12
12
12
12
12
12
14
15
17
18
19
20
21
21

Feels Like (°C)

15
14
14
14
14
14
12
12
11
11
10
12
12
13
13
11
12
12
13
14
14
15
21
21

Dew Point (°C)

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

Relative Humidity (%)

54
55
57
65
80
89
90
90
92
92
92
92
92
93
92
87
76
67
60
53
48
43
43
42

Pressure (mb)

1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1024
1024
1025
1025
1025
1026
1026
1025

Ozone (du)

302
302
303
303
302
301
300
299
299
299
298
296
295
294
293
292
291
290
289
288
287
287
286
286

Saturday 5

Waning Crescent 28%

23:54

17:01

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 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:35, Set: 19:50, Transit: 13:11. Moon - Rise: 23:54, Set: 17:01. Civil Dark: 20:24 - 06:01. Nautical Dark: 21:05 - 05:20. Astro Dark: 21:50 - 04:35

Total Clouds (% Sky Obscured)

52
58
68
74
80
86
63
39
20
22
23
27
31
35
39
46
53
60
64
69
69
74
83
87

Low Clouds (% Sky Obscured)

18
15
12
11
9
10
7
3
0
0
0
0
0
0
0
0
0
0
4
5
7
7
10
12

Medium Clouds (% Sky Obscured)

23
38
55
65
74
84
58
32
5
4
2
0
2
4
7
7
8
4
4
9
15
28
37
48

High Clouds (% Sky Obscured)

14
22
29
19
10
0
0
0
0
5
12
18
17
17
16
24
28
30
37
48
55
50
36
14

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
10
16
23
25

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
4
3
4
3
2
2
2
2
2
2
2
2
2
2
3
4
6
7
8
10
11
10
10

Chance of Frost

Temperature (°C)

22
21
20
19
17
16
14
14
13
13
12
12
12
12
12
12
14
16
19
20
20
22
21
22

Feels Like (°C)

20
21
23
23
18
18
18
17
16
15
14
14
13
13
13
13
14
14
15
15
16
17
21
20

Dew Point (°C)

8
9
11
13
13
12
13
12
11
11
11
10
10
11
10
11
10
8
7
6
6
5
6
6

Relative Humidity (%)

40
47
57
67
73
80
90
89
87
87
89
89
90
92
90
92
74
58
47
42
38
34
35
37

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1020

Ozone (du)

285
286
287
288
289
290
291
292
292
293
293
293
293
293
293
293
293
293
292
291
290
289
289
288

Sunday 6

Waning Crescent 18%

01:15

17:49

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:36, Set: 19:47, Transit: 13:11. Moon - Rise: 01:15, Set: 17:49. Civil Dark: 20:21 - 06:02. Nautical Dark: 21:03 - 05:21. Astro Dark: 21:47 - 04:37

Total Clouds (% Sky Obscured)

88
87
87
90
94
98
98
98
98
94
89
83
89
95
100
93
86
80
71
61
52

Low Clouds (% Sky Obscured)

12
11
8
5
3
0
3
6
9
6
3
0
1
1
1
14
26
41
42
43
47

Medium Clouds (% Sky Obscured)

51
48
47
40
32
26
29
32
34
46
57
69
75
82
88
86
83
80
60
40
20

High Clouds (% Sky Obscured)

32
54
75
83
91
98
98
97
97
68
39
15
47
75
100
74
46
16
15
14
12

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
11
3
3
2
0
0
0
0
0
0
0
0
0
3
3
3
0
5
7
6

Precipitation Amount (mm)

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)

10
8
7
6
5
5
4
4
3
3
3
3
3
3
3
3
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
19
16
16
16
16
15
14
13
13
13
14
14
14
15
15
16
17
17

Dew Point (°C)

7
8
8
8
9
9
10
9
9
9
9
9
9
10
11
12
13
14
16
15
14

Relative Humidity (%)

39
43
47
50
57
64
73
71
71
71
69
69
67
71
76
83
81
78
77
67
59

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

288
288
288
289
289
289
289
290
291
291
292
292
293
295
298
300
300
300
301
299
298

Forecast for Watchet, Somerset, United Kingdom (51.18,-3.33)

Generated: 31/08/26 16:49:30. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+1.00