Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Gibbous 52%

21:55

15:58

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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

Sun - Rise: 06:51, Set: 19:33, Transit: 13:11. Moon - Rise: 21:55, Set: 15:58. Civil Dark: 20:06 - 06:19. Nautical Dark: 20:45 - 05:39. Astro Dark: 21:27 - 04:58

Total Clouds (% Sky Obscured)

61
73
44
46
53
15
36
100
100
100
100
98
100
100
100
100
100
100
100
100
95
95
100
100

Low Clouds (% Sky Obscured)

25
44
44
46
34
12
15
18
36
47
47
48
40
57
61
49
58
88
100
100
91
90
82
87

Medium Clouds (% Sky Obscured)

33
0
22
0
0
0
0
0
0
33
56
93
92
100
100
100
100
100
42
35
32
25
44
68

High Clouds (% Sky Obscured)

0
0
0
0
3
0
36
19
95
100
100
97
100
100
100
100
100
100
69
100
3
11
50
21

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
5
3
5
7
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
14
0
0

Precipitation Type

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

Precipitation Probability (%)

26
18
15
5
0
0
0
0
0
0
0
6
8
15
19
42
95
95
95
56
47
60
77
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.9
0.9
0
0
0
0
0.3

Wind Speed/Direction (mph)

17
16
13
8
6
5
4
3
2
2
2
2
3
3
5
7
10
13
15
15
13
17
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
83
89
92
93
92
93
91
90
93
91
91
93
96
96
96
96
98
98
98
100
98
96
98

Pressure (mb)

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

Ozone (du)

313
311
310
304
297
293
288
285
282
278
276
275
272
270
266
264
262
264
265
265
264
264
264
265

Sunday 14

Third Quarter 41%

22:49

16:56

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
16 Bad

Sun - Rise: 06:53, Set: 19:31, Transit: 13:11. Moon - Rise: 22:49, Set: 16:56. Civil Dark: 20:04 - 06:20. Nautical Dark: 20:43 - 05:41. Astro Dark: 21:24 - 05:00

Total Clouds (% Sky Obscured)

96
81
61
75
49
54
74
38
57
38
35
41
44
56
50
52
55
67
76
71
57
37
35
31

Low Clouds (% Sky Obscured)

94
71
60
32
48
52
66
38
46
38
35
41
44
48
50
52
55
52
54
55
53
37
35
31

Medium Clouds (% Sky Obscured)

58
9
3
39
0
4
8
0
23
0
0
0
0
19
0
0
0
27
34
42
13
0
0
0

High Clouds (% Sky Obscured)

46
4
2
16
0
1
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

14
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

67
56
46
16
32
26
37
27
25
18
6
6
21
26
28
36
37
42
61
57
44
31
24
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
23
20
22
20
22
22
23
23
22
22
21
20
20
20
21
21
23
23
24
25
25
26
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
92
92
93
92
92
92
89
92
92
92
90
92
90
89
87
83
83
83
85
83
81
82

Pressure (mb)

1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012

Ozone (du)

266
267
269
272
274
277
278
281
282
282
285
285
286
287
290
290
291
294
296
297
299
301
303
303

Monday 15

Waning Crescent 30%

23:58

16:56

17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 OK
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

Sun - Rise: 06:54, Set: 19:29, Transit: 13:11. Moon - Rise: 23:58, Set: 16:56. Civil Dark: 20:02 - 06:22. Nautical Dark: 20:41 - 05:43. Astro Dark: 21:22 - 05:02

Total Clouds (% Sky Obscured)

42
46
31
38
39
32
41
67
62
64
76
72
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
46
31
38
39
32
41
47
44
44
42
47
45
37
41
44
60
54
55
38
51
64
78
67

Medium Clouds (% Sky Obscured)

0
18
0
0
0
0
0
0
2
3
13
3
26
27
50
60
48
63
83
96
87
88
97
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
50
30
30
68
57
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain

Precipitation Probability (%)

11
10
0
2
1
2
4
8
10
6
8
4
8
12
6
6
23
26
30
17
24
22
48
55

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
0.2

Wind Speed/Direction (mph)

24
23
22
21
20
20
18
17
17
16
16
15
14
13
13
13
15
16
17
17
16
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
84
86
89
87
86
87
86
87
84
84
83
83
84
87
84
83
79
75
74
72
66
68

Pressure (mb)

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

Ozone (du)

302
303
303
302
302
300
299
299
300
300
302
302
299
294
291
290
288
287
283
281
279
277
275
273

Tuesday 16

Waning Crescent 20%

01:18

17:36

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
16 Bad

Sun - Rise: 06:56, Set: 19:27, Transit: 13:10. Moon - Rise: 01:18, Set: 17:36. Civil Dark: 19:59 - 06:23. Nautical Dark: 20:38 - 05:45. Astro Dark: 21:19 - 05:04

Total Clouds (% Sky Obscured)

100
95
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
48
56
48
55
74
85
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
71
77
90
86
99
99
99
99
99
99
96
94
92
90
90
88
89
88
87
90
93
94
91

High Clouds (% Sky Obscured)

100
88
78
100
100
100
100
100
88
78
67
55
15
33
12
2
0
0
0
0
0
0
0
25

ISS Passover

Visibility (miles)

6
9
8
9
9
5
8
4
4
3
3
3
3
3
6
2
3
8
8
5
4
5
3
1

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

Precipitation Probability (%)

67
70
73
80
93
95
95
95
95
95
88
95
94
83
80
89
49
40
40
54
46
44
62
75

Precipitation Amount (mm)

0.5
0.4
0.4
0.5
0.7
0.7
0.6
0.6
0.8
0.8
0.6
0.8
0.8
0.7
0.5
0.8
0
0
0
0.4
0.2
0
0.3
0.5

Wind Speed/Direction (mph)

13
12
11
12
13
15
17
19
20
21
21
22
21
21
20
20
20
19
19
18
18
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
86
90
95
96
98
98
98
98
98
98
98
98
98
98
98
98
98
100
100
98
98
98
100

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

272
270
267
266
266
267
264
264
262
260
259
259
259
260
261
261
262
264
265
264
266
269
271
269

Wednesday 17

Waning Crescent 12%

02:39

18:04

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
16 OK

Sun - Rise: 06:57, Set: 19:25, Transit: 13:10. Moon - Rise: 02:39, Set: 18:04. Civil Dark: 19:57 - 06:25. Nautical Dark: 20:36 - 05:46. Astro Dark: 21:17 - 05:06

Total Clouds (% Sky Obscured)

100
100
99
98
96
73
97
86
97
95
94
96
100
100
99
98
92
94
86
77
71
58
42
32

Low Clouds (% Sky Obscured)

100
100
97
94
80
70
85
69
60
61
67
71
71
74
40
48
50
60
81
77
71
58
42
32

Medium Clouds (% Sky Obscured)

86
80
81
83
46
45
43
40
46
52
58
58
53
49
15
24
33
43
57
62
62
54
40
28

High Clouds (% Sky Obscured)

30
35
39
56
62
36
56
44
65
82
94
96
100
100
95
90
80
79
75
66
44
20
0
0

ISS Passover

Visibility (miles)

3
2
3
7
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
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 (%)

95
95
64
34
9
3
12
2
11
17
20
25
25
27
17
18
16
25
33
38
33
27
22
18

Precipitation Amount (mm)

0.9
1.1
0.4
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)

14
13
12
11
13
12
11
10
10
9
8
7
6
4
4
4
4
4
4
5
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
98
98
100
98
96
96
98
98
96
96
96
98
98
96
95
92
89
83
78
72
72
74
74

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

268
268
267
269
269
267
266
265
265
266
269
271
271
272
273
273
273
274
272
271
270
270
271
272

Thursday 18

Waning Crescent 6%

03:59

18:24

17 OK
18 OK
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
16 Bad

Sun - Rise: 06:59, Set: 19:22, Transit: 13:10. Moon - Rise: 03:59, Set: 18:24. Civil Dark: 19:55 - 06:26. Nautical Dark: 20:34 - 05:48. Astro Dark: 21:14 - 05:08

Total Clouds (% Sky Obscured)

31
35
50
59
75
66
58
50
64
76
79
79
81
81
80
79
84
88
89
90
92
94
86
85

Low Clouds (% Sky Obscured)

31
35
50
43
27
35
44
50
48
46
39
55
69
81
79
79
78
73
68
63
43
45
50
53

Medium Clouds (% Sky Obscured)

19
11
13
13
18
17
14
9
27
46
64
63
57
41
26
21
24
25
26
27
29
31
32
32

High Clouds (% Sky Obscured)

0
0
30
59
75
66
58
50
64
76
79
72
58
45
31
18
6
9
13
16
39
62
85
65

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 (%)

12
1
1
1
0
0
0
0
0
0
0
6
9
13
14
14
11
15
22
29
32
32
29
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
86
92
93
93
95
96
96
98
98
98
98
98
98
96
93
89
86
82
77
72
72
72
72

Pressure (mb)

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

Ozone (du)

271
271
271
271
271
271
271
272
272
273
274
275
274
274
273
273
272
271
270
270
270
270
269
269

Friday 19

Waning Crescent 2%

05:16

18:39

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 OK
11 OK
12 Good

Sun - Rise: 07:00, Set: 19:20, Transit: 13:09. Moon - Rise: 05:16, Set: 18:39. Civil Dark: 19:53 - 06:28. Nautical Dark: 20:31 - 05:50. Astro Dark: 21:11 - 05:09

Total Clouds (% Sky Obscured)

92
98
97
96
90
90
90
94
95
95
95
98
99
99
72
44
16
14
12
9

Low Clouds (% Sky Obscured)

54
56
64
64
64
65
61
57
52
48
47
44
49
53
31
16
6
8
12
9

Medium Clouds (% Sky Obscured)

32
32
45
45
45
40
40
40
34
27
15
26
36
45
41
38
16
14
12
0

High Clouds (% Sky Obscured)

45
25
25
25
30
30
30
25
28
30
29
52
76
99
72
44
16
14
12
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

Fog (%)

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

Precipitation Probability (%)

15
6
6
3
0
3
3
2
1
1
0
5
10
29
35
38
38
28
18
1

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
83
90
92
92
93
93
93
93
95
96
98
96
95
96
92
88
85
80
75

Pressure (mb)

1020
1020
1019
1019
1019
1019
1018
1017
1017
1016
1015
1014
1014
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

268
267
265
264
262
261
260
259
258
257
256
255
254
253
253
253
253
253
254
255

Forecast for Turnchapel, Plymouth, United Kingdom (50.35,-4.12)

Generated: 13/09/25 17:01:04. Forecast: 13/09/25 to 19/09/25. Timezone: UTC+1.00