Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:32

18:24

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
00 Bad
01 Bad

Sun - Rise: 06:54, Set: 19:19, Transit: 13:07. Moon - Rise: 02:32, Set: 18:24. Civil Dark: 19:53 - 06:21. Nautical Dark: 20:32 - 05:41. Astro Dark: 21:13 - 05:00

Total Clouds (% Sky Obscured)

100
99
100
96
88
98
97
89
87
94
98
78
70
71
64
64
78
66
65
36
43
50
81
84

Low Clouds (% Sky Obscured)

100
99
97
92
75
85
86
77
78
61
72
72
59
54
45
49
75
47
53
36
43
40
49
51

Medium Clouds (% Sky Obscured)

70
53
50
49
21
15
52
40
19
17
19
2
14
21
21
21
32
18
18
0
8
20
3
2

High Clouds (% Sky Obscured)

3
3
3
4
22
94
30
4
70
39
38
23
3
24
46
43
40
27
21
4
4
8
63
60

ISS Passover

Visibility (miles)

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

Fog (%)

0
2
0
0
11
13
0
11
6
2
0
0
0
0
0
0
0
0
1
0
0
2
5
4

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
1
13
23
31
26
19
7
10
8
20
12
9
12
2
6
5
3
2
1
1
1
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)

12
12
11
12
12
12
12
13
17
17
16
17
17
17
17
15
13
12
10
9
9
7
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
15
15
15
15
16
17
17
17
16
17
17
17
17
15
15
15
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
95
95
93
92
89
81
77
75
70
66
68
70
75
82
90
96
96
95
96
98
96

Pressure (mb)

1017
1017
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

267
266
266
265
264
263
263
263
264
263
263
264
264
261
259
258
257
257
257
257
257
257
257
258

Friday 19

Waning Crescent 6%

03:53

18:38

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
00 Bad
01 Bad

Sun - Rise: 06:56, Set: 19:17, Transit: 13:06. Moon - Rise: 03:53, Set: 18:38. Civil Dark: 19:50 - 06:22. Nautical Dark: 20:30 - 05:43. Astro Dark: 21:11 - 05:02

Total Clouds (% Sky Obscured)

59
70
73
74
53
80
80
71
66
72
52
70
83
89
85
88
87
81
77
99
78
64
99
98

Low Clouds (% Sky Obscured)

56
70
63
74
53
80
77
65
60
59
43
60
47
43
43
60
62
45
39
42
29
22
27
23

Medium Clouds (% Sky Obscured)

2
2
19
25
2
14
3
8
21
43
38
18
21
26
4
3
4
0
0
14
0
26
11
7

High Clouds (% Sky Obscured)

26
29
37
6
1
4
10
14
10
3
2
43
83
87
85
87
86
81
68
97
58
27
99
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
9
9

Fog (%)

0
0
0
2
5
4
5
0
0
0
0
0
0
0
0
0
0
0
0
0
45
52
88
100

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
15
15
15
14
15
15
15
15
16
17
17
18
19
18
19
19
17
15
14
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
98
96
96
92
83
77
70
65
63
62
62
65
74
88
89
90
89
87
89
89

Pressure (mb)

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

Ozone (du)

259
260
260
261
261
262
261
261
261
261
262
262
262
263
263
264
266
268
268
267
268
269
269
269

Saturday 20

Waning Crescent 2%

05:11

18:50

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
00 Bad
01 Bad

Sun - Rise: 06:57, Set: 19:15, Transit: 13:06. Moon - Rise: 05:11, Set: 18:50. Civil Dark: 19:48 - 06:24. Nautical Dark: 20:27 - 05:45. Astro Dark: 21:08 - 05:04

Total Clouds (% Sky Obscured)

93
100
89
100
100
99
100
100
100
100
100
90
82
70
69
72
74
72
64
83
73
60
52
65

Low Clouds (% Sky Obscured)

42
77
54
34
33
38
69
68
60
32
56
68
73
67
65
63
62
61
60
68
65
53
50
65

Medium Clouds (% Sky Obscured)

0
44
31
25
47
57
34
38
33
43
73
58
32
41
35
30
40
15
14
21
13
8
0
17

High Clouds (% Sky Obscured)

84
100
89
100
100
87
100
100
100
100
100
76
65
8
50
16
40
18
0
0
0
0
0
0

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 (%)

48
50
82
60
60
16
1
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
11
48
67
93
45
34
30
42
18
26
12
12
19
12
16
13
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
5
7
9
10
11
13
13
17
15
14
15
15
15
17
16
15
15
16

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
14
15
16
17
18
18
19
19
18
17
16
15
14
14
14
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
87
87
89
92
92
87
82
74
68
64
61
61
73
82
82
86
87
86
80
95
93
90

Pressure (mb)

1013
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1008
1007
1006
1006
1005
1005
1005
1006
1006
1007
1006
1006
1006

Ozone (du)

270
270
270
269
269
270
270
271
271
270
270
272
273
273
273
273
274
277
281
284
285
286
286
287

Sunday 21

New Moon 0%

06:26

19:00

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

Sun - Rise: 06:59, Set: 19:13, Transit: 13:06. Moon - Rise: 06:26, Set: 19:00. Civil Dark: 19:46 - 06:26. Nautical Dark: 20:25 - 05:47. Astro Dark: 21:06 - 05:06

Total Clouds (% Sky Obscured)

72
96
93
83
43
91
84
30
88
33
41
14
13
11
11
24
39
12
6
2
35
38
44
46

Low Clouds (% Sky Obscured)

72
92
84
71
43
67
62
30
63
33
41
14
13
11
11
24
29
12
6
1
27
30
33
30

Medium Clouds (% Sky Obscured)

33
49
46
42
39
38
41
30
27
13
0
0
0
0
3
5
6
4
2
0
0
0
0
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0

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 (%)

26
33
37
23
13
10
10
3
8
12
3
2
2
0
1
2
1
3
5
3
10
12
12
8

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
16
14
13
13
12
13
14
14
14
14
14
13
13
11
8
6
4
5
8
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
80
88
83
75
75
76
70
66
60
57
56
56
57
59
66
73
87
85
73
62
67
74

Pressure (mb)

1006
1006
1006
1007
1008
1009
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1016
1016
1016
1017

Ozone (du)

289
289
292
295
296
300
303
306
308
310
310
309
310
311
311
312
312
311
312
314
315
316
318
318

Monday 22

Waxing Crescent 1%

07:38

19:10

02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
08 Good
09 Good
10 Good
11 OK
12 OK
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

Sun - Rise: 07:00, Set: 19:10, Transit: 13:05. Moon - Rise: 07:38, Set: 19:10. Civil Dark: 19:43 - 06:27. Nautical Dark: 20:22 - 05:48. Astro Dark: 21:03 - 05:08

Total Clouds (% Sky Obscured)

48
50
38
29
10
6
8
4
11
17
25
34
46
56
56
55
57
61
66
74
73
72
72
72

Low Clouds (% Sky Obscured)

30
31
22
14
5
6
8
4
11
17
24
29
35
38
43
45
48
50
51
53
56
59
63
62

Medium Clouds (% Sky Obscured)

8
38
26
6
2
2
8
2
0
2
4
3
2
1
1
0
0
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

23
30
20
15
10
5
5
4
1
1
2
3
7
11
9
4
0
0
0
0
1
2
3
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
6
8
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 (%)

11
13
16
16
17
13
6
3
4
11
14
22
24
26
24
23
20
17
11
2
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
80
81
82
90
87
84
83
77
62
54
59
62
67
72
79
87
83
80
76
73
70
69

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023

Ozone (du)

318
317
317
317
316
316
315
315
315
315
315
314
315
316
316
317
317
317
316
315
314
313
312
311

Tuesday 23

Waxing Crescent 3%

08:50

19:21

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
00 Bad
01 Bad

Sun - Rise: 07:02, Set: 19:08, Transit: 13:05. Moon - Rise: 08:50, Set: 19:21. Civil Dark: 19:41 - 06:29. Nautical Dark: 20:20 - 05:50. Astro Dark: 21:00 - 05:09

Total Clouds (% Sky Obscured)

74
73
66
63
61
63
57
52
59
67
80
85
89
91
86
84
83
88
95
100
96
91
87
90

Low Clouds (% Sky Obscured)

62
61
56
52
51
47
43
40
48
57
67
61
51
37
41
42
43
34
25
16
26
31
37
42

Medium Clouds (% Sky Obscured)

6
9
11
11
13
16
18
24
20
16
19
24
33
38
38
37
36
37
32
30
27
25
23
22

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
8
10
12
11
9
6
38

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
0
0
0
0
1
1
0
1
1
1
8
13
16
24
24
17
16
13
3
9
9
6
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)

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

Chance of Frost

Temperature (°C)

10
9
9
9
8
6
8
10
11
12
13
13
13
13
13
12
12
11
11
10
10
10
9
9

Feels Like (°C)

5
5
5
6
6
6
4
5
7
7
8
9
11
12
11
11
11
11
8
9
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
74
79
84
73
65
58
56
54
51
57
64
70
75
80
86
80
73
69
73
76
78

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

310
310
310
310
310
310
310
311
311
311
310
310
310
309
309
308
308
308
307
306
305
305
304
303

Wednesday 24

Waxing Crescent 7%

10:03

19:34

Sun - Rise: 07:03, Set: 19:06, Transit: 13:05. Moon - Rise: 10:03, Set: 19:34. Civil Dark: 19:39 - 06:31. Nautical Dark: 20:18 - 05:52. Astro Dark: 20:58 - 05:11

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

Generated: 18/09/25 02:33:20. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00