Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Crescent 29%

01:39

16:39

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

Sun - Rise: 07:10, Set: 18:28, Transit: 12:49. Moon - Rise: 01:39, Set: 16:39. Civil Dark: 19:02 - 06:37. Nautical Dark: 19:41 - 05:58. Astro Dark: 20:20 - 05:19

Total Clouds (% Sky Obscured)

84
88
82
39
47
67
48
66
60
47
39
61
41
31
26
35
35
36
81
82
67
64
90
99

Low Clouds (% Sky Obscured)

25
23
13
26
24
34
26
43
40
34
22
20
23
19
17
24
23
25
30
36
36
33
34
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
21
25

High Clouds (% Sky Obscured)

76
74
11
4
14
27
11
11
3
9
16
43
13
6
4
5
8
9
63
57
34
27
69
98

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
1
65
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)

8
8
8
9
10
10
10
10
9
7
5
5
5
5
4
4
4
4
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
77
67
62
61
57
55
56
56
64
71
74
78
83
86
89
90
90
90
90
91
91
91
90

Pressure (mb)

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

Ozone (du)

270
270
269
269
269
267
266
266
267
268
269
270
271
271
271
272
273
273
275
275
275
276
277
277

Tuesday 6

Waning Crescent 20%

03:04

16:57

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
08 Bad

Sun - Rise: 07:12, Set: 18:26, Transit: 12:48. Moon - Rise: 03:04, Set: 16:57. Civil Dark: 19:00 - 06:39. Nautical Dark: 19:39 - 06:00. Astro Dark: 20:18 - 05:20

Total Clouds (% Sky Obscured)

100
92
94
97
91
92
92
56
57
94
93
99
95
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
14
12
21
21
22
25
28
24
22
26
37
34
50
63
43
62
82
87
95
92
91
87
90

Medium Clouds (% Sky Obscured)

44
71
59
47
39
45
45
29
0
28
89
92
89
97
100
89
100
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
74
89
94
82
80
78
35
30
35
13
93
36
35
89
75
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
9
9
7
9
9
9

Fog (%)

91
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
6
9
24
27
19
45
61
55
44
49
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

2
3
3
4
4
5
4
4
3
2
1
1
2
2
2
1
2
3
3
3
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
75
68
62
58
54
52
51
52
59
64
65
66
68
70
72
74
73
74
80
86
89
87
87

Pressure (mb)

1020
1020
1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

277
278
280
281
282
283
285
286
287
288
289
291
290
291
292
293
294
294
294
296
299
300
300
302

Wednesday 7

Waning Crescent 12%

04:27

17:11

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

Sun - Rise: 07:14, Set: 18:24, Transit: 12:48. Moon - Rise: 04:27, Set: 17:11. Civil Dark: 18:57 - 06:40. Nautical Dark: 19:36 - 06:01. Astro Dark: 20:16 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
48
59
49
41
2
13
29
33
30
29
29
21
17
12
10
6

Low Clouds (% Sky Obscured)

90
93
93
96
100
96
88
30
45
50
34
20
2
13
29
33
30
29
29
21
17
12
9
5

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
75
48
59
49
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
40
45
2
0
0
0
0
0
0
0
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 (%)

5
1
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
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
65
70
65
45
58
58
50
43
18
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
10
9
10
9
8
7
7
6
5
6
6
5
5
4
4
4
3
4
3
3
4

Dew Point (°C)

10
9
8
8
8
8
8
9
9
10
8
6
6
6
5
5
4
5
4
4
4
3
3
4

Relative Humidity (%)

83
77
76
76
79
76
80
86
86
87
83
76
78
87
82
82
81
84
82
81
81
81
83
84

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1020

Ozone (du)

302
301
302
302
299
295
298
302
307
309
311
318
323
321
316
314
312
310
307
306
305
305
303
301

Thursday 8

Waning Crescent 6%

05:47

17:24

09 OK
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
08 Bad

Sun - Rise: 07:15, Set: 18:22, Transit: 12:48. Moon - Rise: 05:47, Set: 17:24. Civil Dark: 18:55 - 06:42. Nautical Dark: 19:34 - 06:03. Astro Dark: 20:13 - 05:24

Total Clouds (% Sky Obscured)

36
35
54
58
72
89
100
80
80
100
99
97
96
97
99
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

2
4
6
8
9
13
15
11
8
2
2
2
4
2
26
50
64
78
93
96
98
100
99
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
40
33
38
65
38
73
90
87
100
100
100
99
98
98
93
88

High Clouds (% Sky Obscured)

36
33
48
54
72
88
100
68
70
100
95
91
82
88
94
100
100
100
100
100
100
100
90
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
5
9
5
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
1
0
0
0
3
11
21
57
95
95
95
94
87
56
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
0.8
0.6
0.6
0.5
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
1
0
-0
-1
-2
-1
1
4
4
3
2
1
2
3
3
5
8
8
10
10
11
12

Relative Humidity (%)

78
67
53
45
40
37
35
37
46
57
62
62
62
62
64
65
64
76
88
91
96
96
96
96

Pressure (mb)

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

Ozone (du)

300
298
297
294
291
289
288
285
282
280
279
278
278
277
276
274
273
271
269
269
269
269
270
270

Friday 9

Waning Crescent 2%

07:06

17:35

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 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 Good
07 OK
08 OK

Sun - Rise: 07:17, Set: 18:19, Transit: 12:47. Moon - Rise: 07:06, Set: 17:35. Civil Dark: 18:53 - 06:44. Nautical Dark: 19:32 - 06:05. Astro Dark: 20:11 - 05:26

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
75
67
99
98
97
95
93
66
39
13
21
26
35
29
17
2
21
41

Low Clouds (% Sky Obscured)

98
98
98
62
75
87
54
47
73
68
84
87
90
66
39
13
17
18
19
14
10
2
3
3

Medium Clouds (% Sky Obscured)

84
53
79
80
81
87
28
14
6
29
30
24
19
12
6
0
6
12
15
10
5
0
0
0

High Clouds (% Sky Obscured)

80
80
85
80
12
30
40
48
46
49
27
15
0
0
0
0
0
0
0
0
0
0
20
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
5
10
8
4
22
10
15
32
52
43
44
48
45
38
14
11
6
0
1
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
87
85
78
72
78
77
83
86
87
86
85
82
84
86
87
88
88
88
88
87
87
81

Pressure (mb)

1014
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

270
270
270
270
274
274
274
274
274
274
274
276
278
280
281
283
284
284
285
285
286
288
290
292

Saturday 10

New Moon 0%

08:24

17:47

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 OK
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
08 OK

Sun - Rise: 07:19, Set: 18:17, Transit: 12:47. Moon - Rise: 08:24, Set: 17:47. Civil Dark: 18:51 - 06:45. Nautical Dark: 19:30 - 06:06. Astro Dark: 20:09 - 05:27

Total Clouds (% Sky Obscured)

57
63
73
78
75
81
88
74
61
47
49
51
57
51
46
41
44
47
51
41
31
21
32
43

Low Clouds (% Sky Obscured)

3
12
21
30
46
63
79
65
52
40
34
29
25
25
23
21
14
12
12
10
10
10
12
14

Medium Clouds (% Sky Obscured)

0
14
37
56
49
36
26
16
11
8
5
3
0
0
0
0
0
0
0
0
0
0
3
5

High Clouds (% Sky Obscured)

55
57
54
61
37
19
0
0
1
1
20
39
57
45
28
12
15
16
17
13
9
4
10
17

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
5
8
10
13
15
13
13
12
7
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
5
4
4
4
4
4
4
4
5
5
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

76
71
65
59
54
52
51
50
53
56
58
63
68
72
77
80
84
85
85
87
87
88
90
82

Pressure (mb)

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

Ozone (du)

295
297
300
302
304
305
306
308
307
307
307
307
307
307
306
305
304
304
303
303
302
300
299
298

Sunday 11

Waxing Crescent 1%

No Rise

18:01

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

Sun - Rise: 07:21, Set: 18:15, Transit: 12:47. Moon - Rise: No Rise, Set: 18:01. Civil Dark: 18:49 - 06:47. Nautical Dark: 19:28 - 06:08. Astro Dark: 20:07 - 05:29

Total Clouds (% Sky Obscured)

53
67
81
95
94
94
95
86
76
68
53
36
21
39
60
77

Low Clouds (% Sky Obscured)

19
36
58
80
82
75
67
61
47
35
24
10
0
0
0
0

Medium Clouds (% Sky Obscured)

8
12
16
20
25
30
30
26
17
9
10
10
10
17
25
30

High Clouds (% Sky Obscured)

25
36
48
57
53
45
37
36
31
31
31
32
21
39
60
77

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
16
22
23
17
9
2
2
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
11
12
13
12
12
11
9
8
6
5
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
5
5
5
5
5
5
6
6
6
6
5
5
5

Relative Humidity (%)

77
72
64
57
52
51
51
50
54
61
67
68
68
68
72
73

Pressure (mb)

1018
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

297
296
295
295
294
294
293
293
292
292
291
290
289
289
289
290

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 05/10/26 09:07:58. Forecast: 05/10/26 to 11/10/26. Timezone: UTC+1.00