Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 3

Waning Gibbous 51%

21:52

14:24

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: 06:22, Set: 19:43, Transit: 13:02. Moon - Rise: 21:52, Set: 14:24. Civil Dark: 20:17 - 05:48. Nautical Dark: 20:59 - 05:07. Astro Dark: 21:44 - 04:22

Total Clouds (% Sky Obscured)

84
87
90
100
100
98
88
65
73
100
97
100
95
55
49
82
99
98
98
99
99
96
96
97

Low Clouds (% Sky Obscured)

84
87
83
68
67
80
69
49
34
31
29
21
35
36
34
28
26
47
68
96
98
94
91
90

Medium Clouds (% Sky Obscured)

8
52
80
38
19
16
10
11
7
5
6
8
5
0
2
1
8
12
12
12
16
15
13
11

High Clouds (% Sky Obscured)

84
52
90
100
100
80
40
2
28
100
97
99
75
36
27
55
91
78
61
85
46
15
18
45

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 (%)

16
5
10
16
8
10
13
5
3
2
0
1
1
0
0
0
0
1
16
20
22
21
23
28

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

Chance of Frost

Temperature (°C)

19
20
21
21
22
22
22
22
22
22
21
21
20
19
19
19
19
19
19
19
19
19
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
76
69
63
62
64
64
62
68
75
81
88
92
93
92
89
96
92
92
93
91
89
88

Pressure (mb)

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

Ozone (du)

289
290
290
290
289
288
288
289
290
290
290
289
288
289
289
288
288
287
286
287
288
288
289
290

Friday 4

Third Quarter 39%

22:40

15:43

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: 06:23, Set: 19:41, Transit: 13:01. Moon - Rise: 22:40, Set: 15:43. Civil Dark: 20:15 - 05:50. Nautical Dark: 20:56 - 05:09. Astro Dark: 21:41 - 04:24

Total Clouds (% Sky Obscured)

91
95
94
98
91
92
99
99
100
100
100
100
100
96
100
94
100
96
100
41
63
74
70
76

Low Clouds (% Sky Obscured)

88
91
91
64
52
51
25
41
41
37
11
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
8
13
31
36
75
96
98
98
100
100
100
99
57
22
3
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

32
32
26
35
57
46
91
90
99
97
99
100
100
92
99
94
100
96
100
31
56
64
68
61

ISS Passover

Visibility (miles)

9
8
8
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 (%)

34
38
26
10
3
1
0
4
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)

19
17
14
16
17
17
17
17
16
15
14
12
10
9
8
7
6
5
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

20
21
21
21
21
22
21
21
20
19
18
17
16
16
15
15
14
13
13
12
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

17
18
17
13
12
11
8
6
4
3
5
7
9
9
11
12
12
12
11
11
11
10
10
10

Relative Humidity (%)

85
84
77
61
55
51
43
37
33
35
40
50
60
66
74
83
87
89
90
92
93
93
91
91

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1023

Ozone (du)

290
290
291
292
291
292
291
291
290
290
291
293
295
297
298
299
300
299
300
299
298
297
296
295

Saturday 5

Waning Crescent 37%

23:46

16:48

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

Sun - Rise: 06:25, Set: 19:39, Transit: 13:01. Moon - Rise: 23:46, Set: 16:48. Civil Dark: 20:13 - 05:51. Nautical Dark: 20:54 - 05:10. Astro Dark: 21:38 - 04:26

Total Clouds (% Sky Obscured)

48
66
54
50
82
61
31
21
5
20
11
9
22
5
25
45
50
55
53
51
51
38
38
36

Low Clouds (% Sky Obscured)

0
0
0
4
8
10
11
2
0
0
0
0
0
0
0
0
0
5
8
12
9
5
2
0

Medium Clouds (% Sky Obscured)

1
3
3
3
2
0
0
0
0
0
4
5
8
5
5
5
4
25
9
51
51
31
38
36

High Clouds (% Sky Obscured)

40
62
42
28
65
56
18
19
5
20
9
1
0
2
13
35
30
15
9
4
10
9
3
4

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
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)

3
5
5
5
5
7
7
7
7
7
8
7
4
2
2
1
2
2
2
2
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
16
17
19
20
20
19
20
20
20
19
17
16
16
15
15
13
12
12
11
10
10
11
11

Dew Point (°C)

9
10
9
8
7
7
6
5
5
6
8
10
11
10
10
10
9
9
8
8
8
7
8
9

Relative Humidity (%)

79
68
59
51
44
40
37
35
35
37
45
58
69
73
75
76
75
77
76
76
77
75
79
81

Pressure (mb)

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

Ozone (du)

295
293
292
291
289
288
288
287
287
288
289
290
291
292
291
291
291
290
289
288
287
287
286
286

Sunday 6

Waning Crescent 28%

01:07

17:36

08 Good
09 Good
10 OK
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: 06:26, Set: 19:37, Transit: 13:01. Moon - Rise: 01:07, Set: 17:36. Civil Dark: 20:10 - 05:53. Nautical Dark: 20:51 - 05:12. Astro Dark: 21:35 - 04:28

Total Clouds (% Sky Obscured)

13
9
28
47
83
100
100
100
89
78
68
77
89
100
64
58
49
50
50
49
47
52
90
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
0
0
6
2
3
6
11
16
19
26
36
39
33
34
37

Medium Clouds (% Sky Obscured)

11
0
2
6
12
10
72
59
76
24
23
77
8
2
3
5
6
6
7
4
1
3
3
3

High Clouds (% Sky Obscured)

4
3
27
47
83
100
100
100
81
59
43
62
81
100
50
28
8
6
3
0
0
1
32
43

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

Precipitation Probability (%)

0
0
2
3
1
18
34
53
36
23
10
9
5
1
2
5
3
12
4
0
1
3
7
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
10
12
13
12
13
12
12
12
10
8
6
4
4
3
4
5
6
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
11
10
9
8
7
7
6
7
9
11
12
12
11
11
12
13
15
17
17
16
16
15

Relative Humidity (%)

74
63
54
48
43
39
38
38
37
39
46
56
61
62
62
64
67
76
86
95
96
95
96
95

Pressure (mb)

1020
1020
1020
1020
1019
1019
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

287
287
289
289
286
286
286
287
289
292
293
292
292
295
298
299
300
302
303
305
305
304
302
301

Monday 7

Waning Crescent 18%

02:35

18:09

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: 06:28, Set: 19:34, Transit: 13:00. Moon - Rise: 02:35, Set: 18:09. Civil Dark: 20:08 - 05:54. Nautical Dark: 20:49 - 05:14. Astro Dark: 21:33 - 04:30

Total Clouds (% Sky Obscured)

95
96
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
87
80
58

Low Clouds (% Sky Obscured)

53
58
46
60
41
20
12
5
5
5
6
2
2
2
3
4
5
25
46
65
46
28
10
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
0
54
39
0
2
25
47
69
79
89
100
98
97
95
70
44
22
16

High Clouds (% Sky Obscured)

70
84
89
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70
41
14
16

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

Precipitation Probability (%)

21
14
11
11
4
9
4
0
0
0
0
0
0
0
10
23
39
61
75
79
72
61
51
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
76
69
65
52
41
35
38
41
40
48
60
64
67
72
74
75
77
79
80
80
83
86
89

Pressure (mb)

1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

300
299
299
298
297
297
296
296
296
295
294
294
294
294
294
295
295
296
299
302
305
307
310
313

Tuesday 8

Waning Crescent 10%

04:03

18:33

08 Bad
09 Bad
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 06:30, Set: 19:32, Transit: 13:00. Moon - Rise: 04:03, Set: 18:33. Civil Dark: 20:06 - 05:56. Nautical Dark: 20:46 - 05:16. Astro Dark: 21:30 - 04:33

Total Clouds (% Sky Obscured)

35
9
21
32
43
47
54
64
47
29
9
12
15
16
12
9
8
22
35
47
46
49
48
37

Low Clouds (% Sky Obscured)

3
0
16
31
43
47
53
56
42
28
9
10
6
2
2
1
1
1
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

10
4
3
1
0
1
1
2
1
1
0
2
4
6
4
2
0
8
16
24
27
30
34
22

High Clouds (% Sky Obscured)

13
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
13
22
20
19
18
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
8
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
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 (%)

66
53
34
16
11
11
9
2
20
26
25
27
28
26
26
24
11
18
18
12
22
20
11
16

Precipitation Amount (mm)

0.4
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
11
14
14
16
17
17
17
17
16
14
13
12
11
10
9
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

15
16
16
17
18
19
20
20
20
19
18
17
16
15
14
13
12
11
11
11
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

11
8
6
6
6
5
5
5
5
6
7
8
9
9
10
10
10
9
9
8
8
8
8
8

Relative Humidity (%)

74
60
50
46
43
39
38
37
36
41
47
54
62
69
76
81
84
87
87
84
83
84
87
88

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

317
321
325
330
335
340
338
336
334
333
333
332
336
340
345
345
345
345
346
348
349
348
347
345

Wednesday 9

Waning Crescent 4%

05:28

18:51

08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 06:31, Set: 19:30, Transit: 13:00. Moon - Rise: 05:28, Set: 18:51. Civil Dark: 20:03 - 05:58. Nautical Dark: 20:44 - 05:18. Astro Dark: 21:27 - 04:35

Total Clouds (% Sky Obscured)

28
18
24
36
44
45
47
49
48
39
27
32
37
42
39
40
38

Low Clouds (% Sky Obscured)

4
6
9
8
8
6
4
4
4
4
4
3
1
0
0
0
0

Medium Clouds (% Sky Obscured)

11
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1

High Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
3
4
6
9
12
15
15
15
20

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
7
11
12
4
10
11
7
12
9
5
8
6
1
5
4
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
14
15
16
17
17
17
17
16
14
13
11
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
10
11
11
16
16
15
16
17
18
13
13
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

75
63
52
47
41
37
35
33
33
35
38
41
47
54
62
65
69

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

341
338
334
333
333
332
329
326
323
319
315
311
308
306
303
301
299

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 03/09/26 08:02:50. Forecast: 03/09/26 to 09/09/26. Timezone: UTC+1.00