Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waning Crescent 4%

05:13

17:07

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
17 Bad
18 Bad

Sun - Rise: 07:32, Set: 17:58, Transit: 12:45. Moon - Rise: 05:13, Set: 17:07. Civil Dark: 18:32 - 06:58. Nautical Dark: 19:12 - 06:20. Astro Dark: 19:51 - 05:41

Total Clouds (% Sky Obscured)

73
79
84
87
100
100
100
100
95
100
100
100
99
100
91
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
38
31
7
10
18
43
23
30
31
25
25
24
21
27
31
57
70
84
75
81
91
100
100

Medium Clouds (% Sky Obscured)

73
79
84
87
99
100
100
100
93
93
97
40
72
96
91
96
97
97
100
100
100
100
100
96

High Clouds (% Sky Obscured)

73
79
84
87
100
100
100
100
86
100
100
100
91
79
60
87
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
6
3
5
4
2
1
4
4

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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
2
1
0
0
7
13
6
1
3
18
29
32
46
71
89
95
95
95
95
95
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1.2
2.1
3.7
3.4
2.3
0.6

Wind Speed/Direction (mph)

8
7
8
8
11
11
11
13
11
10
10
11
11
11
13
13
14
14
16
17
19
20
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
68
66
65
64
63
64
64
65
68
68
69
68
68
78
82
82
95
89
86
92
96
95
95

Pressure (mb)

1020
1019
1019
1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1009
1009
1008
1007
1006
1005
1003
1002
1001
1000
999

Ozone (du)

275
274
274
273
273
273
275
275
274
274
274
272
272
272
271
271
271
272
272
274
275
273
274
278

Sunday 19

Waning Crescent 1%

06:24

17:17

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
17 Bad
18 Bad

Sun - Rise: 07:33, Set: 17:56, Transit: 12:45. Moon - Rise: 06:24, Set: 17:17. Civil Dark: 18:30 - 07:00. Nautical Dark: 19:10 - 06:21. Astro Dark: 19:49 - 05:43

Total Clouds (% Sky Obscured)

100
58
34
50
67
51
90
93
94
97
98
97
100
99
100
100
100
100
100
100
100
94
74
99

Low Clouds (% Sky Obscured)

98
58
34
49
47
47
82
87
87
65
71
70
62
67
67
82
80
68
78
66
80
70
71
61

Medium Clouds (% Sky Obscured)

100
4
4
3
15
2
8
20
44
91
95
91
100
96
100
72
100
85
91
100
78
58
67
70

High Clouds (% Sky Obscured)

26
2
0
0
0
0
0
0
45
25
15
15
25
0
56
67
100
100
100
100
100
76
46
96

ISS Passover

Visibility (miles)

6
9
9
9
9
9
7
9
6
6
3
4
9
7
3
4
3
3
3
2
3
3
4
5

Fog (%)

0
0
0
0
0
0
0
0
0
2
0
0
3
4
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

72
60
44
9
6
40
49
58
71
81
94
78
80
95
95
95
95
95
95
95
95
95
80
71

Precipitation Amount (mm)

0.5
0.3
0
0
0
0
0
0.3
0.5
0.5
0.8
0.5
0.5
1.2
1.8
1.3
1.2
1.4
1.5
1.6
1.1
0.7
0.4
0.4

Wind Speed/Direction (mph)

18
17
15
11
11
9
10
14
14
15
16
16
15
16
17
21
25
25
23
20
18
19
18
18

Chance of Frost

Temperature (°C)

15
15
15
14
13
13
13
13
13
14
13
13
13
13
13
14
14
15
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
92
92
95
95
90
90
89
89
89
86
87
90
90
90
90
90
90
92
92
90
89

Pressure (mb)

999
998
997
997
997
997
997
996
996
995
994
994
993
993
992
992
991
990
989
988
987
987
986
986

Ozone (du)

279
281
283
287
291
295
294
302
302
298
296
296
298
299
299
302
309
309
304
303
303
305
304
308

Monday 20

Waning Crescent 0%

07:36

17:29

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
17 Bad
18 OK

Sun - Rise: 07:35, Set: 17:54, Transit: 12:45. Moon - Rise: 07:36, Set: 17:29. Civil Dark: 18:28 - 07:01. Nautical Dark: 19:09 - 06:23. Astro Dark: 19:47 - 05:45

Total Clouds (% Sky Obscured)

74
76
93
82
70
60
67
71
46
65
40
94
95
93
91
82
90
88
82
75
69
56
43
26

Low Clouds (% Sky Obscured)

55
58
59
59
56
57
54
59
46
44
29
41
35
47
56
60
64
58
56
54
52
44
35
26

Medium Clouds (% Sky Obscured)

74
65
23
16
11
5
18
17
10
65
40
94
95
93
80
23
37
88
82
75
69
56
43
3

High Clouds (% Sky Obscured)

25
1
0
0
16
1
0
0
0
0
14
1
2
2
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Very Light Rain
Very Light Rain
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 (%)

65
64
39
18
13
9
9
10
12
17
11
25
25
41
22
37
51
68
59
47
33
21
15
9

Precipitation Amount (mm)

0.3
0.3
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)

19
19
17
17
18
18
16
15
14
13
13
12
10
9
12
14
15
17
17
17
17
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
11
11
11
11
11
10
10
10
10
10
11
11
10
12
11
11
11
11
11

Relative Humidity (%)

89
92
90
92
90
90
92
93
95
93
92
92
91
92
87
84
79
76
82
82
79
82
83
86

Pressure (mb)

986
986
986
987
988
989
989
990
990
991
991
991
991
992
992
992
993
993
993
993
993
993
994
995

Ozone (du)

306
303
301
302
301
297
298
297
299
297
296
295
294
296
298
295
294
294
294
297
296
297
294
290

Tuesday 21

New Moon 1%

08:49

17:44

19 OK
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
17 Bad
18 Bad

Sun - Rise: 07:37, Set: 17:52, Transit: 12:45. Moon - Rise: 08:49, Set: 17:44. Civil Dark: 18:26 - 07:03. Nautical Dark: 19:07 - 06:24. Astro Dark: 19:45 - 05:46

Total Clouds (% Sky Obscured)

28
29
33
51
68
87
90
92
99
100
100
100
100
100
100
99
98
97
98
99
100
98
95
93

Low Clouds (% Sky Obscured)

27
28
28
19
9
0
0
0
0
5
9
22
32
45
54
65
82
95
93
92
91
89
87
85

Medium Clouds (% Sky Obscured)

2
0
0
9
32
23
57
59
38
65
73
68
97
90
82
77
67
63
91
96
76
63
56
89

High Clouds (% Sky Obscured)

1
2
11
28
50
73
74
85
99
100
100
96
91
90
90
83
81
73
83
92
100
67
50
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Light Rain
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

9
8
2
3
3
2
2
3
3
5
6
6
14
18
20
24
21
21
61
88
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
1.7
2.5
2.9

Wind Speed/Direction (mph)

13
12
12
12
10
9
7
6
5
4
3
2
2
2
4
4
4
5
8
9
9
11
11
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
90
91
88
87
88
90
90
90
90
91
90
90
90
90
90
89
82
84
93
93
95
96

Pressure (mb)

996
997
997
998
998
999
999
999
999
999
999
999
999
999
999
999
999
998
997
996
995
993
992
991

Ozone (du)

288
286
285
284
283
282
281
283
283
284
284
284
283
283
284
283
283
283
282
281
282
283
282
281

Wednesday 22

Waxing Crescent 4%

10:02

18:03

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
17 Bad
18 OK

Sun - Rise: 07:39, Set: 17:50, Transit: 12:44. Moon - Rise: 10:02, Set: 18:03. Civil Dark: 18:24 - 07:05. Nautical Dark: 19:05 - 06:26. Astro Dark: 19:43 - 05:48

Total Clouds (% Sky Obscured)

92
91
91
78
65
52
51
55
52
51
44
47
63
65
66
68
59
60
59
57
55
41
28
14

Low Clouds (% Sky Obscured)

83
83
84
73
63
52
48
44
40
42
44
47
46
46
48
51
55
58
58
57
55
41
28
14

Medium Clouds (% Sky Obscured)

82
56
39
69
62
50
51
55
48
38
8
1
9
41
66
68
59
60
59
40
24
12
6
1

High Clouds (% Sky Obscured)

10
24
15
20
15
20
20
20
20
25
20
25
35
35
40
40
35
35
23
17
12
8
4
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
7
9
9
9
9
9
8
6
5
6
8
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
Very Light Rain
None
None
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
60
47
42
90
86
39
49
48
16
26
56
75
86
87
85
75
63
60
57
48
35
9

Precipitation Amount (mm)

1.9
1.1
0.3
0
0
0.7
0.6
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

17
18
20
23
21
23
23
22
20
19
19
18
17
19
18
18
20
21
22
21
20
20
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
14
14
12
12
12
12
12
12
12
13
13
13
13
14
14
13
13
12
11
11
10
8

Relative Humidity (%)

96
96
96
95
90
92
96
96
95
93
93
93
93
95
95
95
95
92
92
87
83
79
79
77

Pressure (mb)

990
990
989
989
990
991
992
993
993
993
993
993
993
993
993
993
993
994
994
994
995
995
996
997

Ozone (du)

283
286
285
283
280
277
276
278
280
279
277
275
275
277
278
280
281
282
284
287
290
293
294
295

Thursday 23

Waxing Crescent 8%

11:14

18:29

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

Sun - Rise: 07:40, Set: 17:48, Transit: 12:44. Moon - Rise: 11:14, Set: 18:29. Civil Dark: 18:22 - 07:06. Nautical Dark: 19:03 - 06:28. Astro Dark: 19:41 - 05:49

Total Clouds (% Sky Obscured)

14
14
14
9
4
0
0
0
0
20
41
61
41
20
2
33
64
93
92
87
86
89
81
87

Low Clouds (% Sky Obscured)

10
5
0
0
0
0
0
0
0
10
19
29
19
10
0
18
35
53
66
80
86
76
59
43

Medium Clouds (% Sky Obscured)

13
14
14
9
4
0
0
0
0
6
12
17
19
18
2
30
40
47
38
30
26
36
46
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
44
66
53
35
29

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
15
16
18
25
26
30
37
39
47
56
59
52
45
30
34
33
30
48
64
75
70
65
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
6
6
5
5
5
4
4
4
3
3
3
3
3
3
4
4
5
5
5
5
4
4
3

Dew Point (°C)

8
7
7
6
7
7
7
7
7
7
7
8
8
8
8
7
8
8
8
8
7
7
6
6

Relative Humidity (%)

77
77
77
77
77
77
78
78
78
78
80
83
84
83
80
77
77
76
74
73
73
73
73
73

Pressure (mb)

999
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

297
299
301
303
306
310
313
315
316
318
318
317
317
317
318
319
320
321
323
323
324
325
325
324

Friday 24

Waxing Crescent 15%

12:21

19:05

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: 07:42, Set: 17:47, Transit: 12:44. Moon - Rise: 12:21, Set: 19:05. Civil Dark: 18:21 - 07:08. Nautical Dark: 18:59 - 06:29. Astro Dark: 19:39 - 05:51

Total Clouds (% Sky Obscured)

78
69
60
69
79
89
90
91
93
91
90
87
90
93
95
96
98
99

Low Clouds (% Sky Obscured)

44
46
48
49
50
52
60
68
77
77
78
79
82
86
91
94
97
98

Medium Clouds (% Sky Obscured)

38
24
10
18
23
34
30
26
18
15
13
12
17
22
24
45
54
65

High Clouds (% Sky Obscured)

37
44
47
46
52
62
54
39
22
13
3
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

36
26
9
26
29
22
57
70
76
62
46
26
33
40
47
55
65
71

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

4
2
2
2
2
2
2
4
4
4
4
4
4
5
5
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
74
74
73
73
75
75
76
77
77
79
80
83
84
87
88

Pressure (mb)

1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1005
1006
1007
1008
1008

Ozone (du)

323
322
321
321
320
319
319
318
318
317
321
325
329
331
333
336
336
337

Forecast for Southgate, West Sussex, United Kingdom (51.11,-0.19)

Generated: 18/10/25 19:22:23. Forecast: 18/10/25 to 25/10/25. Timezone: UTC+1.00