Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 2%

09:00

16:50

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:29, Set: 15:56, Transit: 11:42. Moon - Rise: 09:00, Set: 16:50. Civil Dark: 16:32 - 06:53. Nautical Dark: 17:11 - 06:14. Astro Dark: 17:48 - 05:36

Total Clouds (% Sky Obscured)

89
82
79
75
65
74
75
77
77
81
81
86
91
91
83
82
75
80
86
90
77
75
72
65

Low Clouds (% Sky Obscured)

89
82
79
75
65
74
75
77
77
81
81
86
91
91
83
82
75
80
86
90
77
75
72
65

Medium Clouds (% Sky Obscured)

16
16
19
20
20
19
20
16
26
16
10
7
6
5
4
2
5
9
12
9
4
0
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
0
0
1
1
1
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 (%)

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)

2
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
2
2

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
4
4
4

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
2
2
1
1
1
1
2
2
2
2
2
3
3

Relative Humidity (%)

88
89
88
89
91
91
93
93
93
93
91
85
80
76
75
73
75
80
82
83
85
86
88
89

Pressure (mb)

1020
1020
1020
1021
1020
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

304
303
299
295
292
289
288
286
286
285
285
285
285
283
282
281
280
277
276
275
274
274
276
278

Sunday 21

Waxing Crescent 6%

09:34

18:00

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:29, Set: 15:57, Transit: 11:43. Moon - Rise: 09:34, Set: 18:00. Civil Dark: 16:32 - 06:53. Nautical Dark: 17:11 - 06:14. Astro Dark: 17:49 - 05:37

Total Clouds (% Sky Obscured)

65
62
62
57
67
72
72
67
66
64
68
64
68
67
67
70
80
90
95
95
95
95
100
95

Low Clouds (% Sky Obscured)

65
62
62
57
67
72
72
67
66
64
68
64
68
67
67
70
80
90
95
95
95
95
100
95

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
3
3
2
2
0
0
0
2
3
2
5
8
6

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
1
1
0
0
1
2
4
2
3
7
7
9
10
8
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
4
4
4
4
4
4
4
5
4
5
5
5
5
5
5
4
4
4
4
4

Dew Point (°C)

3
3
3
3
3
3
3
4
4
4
3
3
2
2
2
2
2
3
3
3
3
4
4
4

Relative Humidity (%)

91
93
93
93
94
94
94
94
94
94
91
85
79
78
75
75
76
83
85
88
89
91
93
93

Pressure (mb)

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

Ozone (du)

277
276
274
274
272
271
273
274
276
275
274
276
279
280
277
278
278
276
278
281
283
287
291
298

Monday 22

Waxing Crescent 11%

10:01

19:13

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:29, Set: 15:57, Transit: 11:43. Moon - Rise: 10:01, Set: 19:13. Civil Dark: 16:33 - 06:54. Nautical Dark: 17:12 - 06:15. Astro Dark: 17:49 - 05:37

Total Clouds (% Sky Obscured)

91
86
86
91
82
78
92
91
96
94
93
97
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
86
86
91
82
78
92
91
96
92
92
91
96
91
85
69
86
86
85
89
90
91
92
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
17
27
18
35
47
83
94
100
100
100
99
98
100
100
100
99
99
99

High Clouds (% Sky Obscured)

6
1
2
3
2
1
7
5
3
2
5
6
8
81
73
82
100
100
91
45
57
68
80
86

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
5
5

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
3
5
5
4
0
0
2
2
1
1
2
9
23
37
32
34
42
46
66
65
87
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.9
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5

Feels Like (°C)

4
4
4
4
3
4
4
3
3
3
2
2
1
2
2
2
2
2
2
3
2
2
2
1

Dew Point (°C)

4
4
4
3
3
4
3
3
3
3
2
2
1
1
1
1
1
1
2
2
2
2
2
3

Relative Humidity (%)

93
93
94
93
93
94
94
94
94
94
88
82
78
75
71
71
74
76
79
79
80
82
85
89

Pressure (mb)

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

Ozone (du)

303
304
308
317
325
327
334
340
348
361
368
376
382
384
385
384
383
382
383
382
381
380
378
376

Tuesday 23

Waxing Crescent 19%

10:22

20:26

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:30, Set: 15:58, Transit: 11:44. Moon - Rise: 10:22, Set: 20:26. Civil Dark: 16:33 - 06:54. Nautical Dark: 17:13 - 06:15. Astro Dark: 17:50 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

91
91
94
97
100
99
98
98
98
99
99
96
93
90
93
95
97
94
90
87
91
96
100
100

Medium Clouds (% Sky Obscured)

98
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
96
96
95
95

High Clouds (% Sky Obscured)

93
100
100
100
100
100
100
100
99
97
96
97
98
99
99
98
98
94
92
86
73
54
34
22

ISS Passover

Visibility (miles)

5
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

92
95
95
95
95
95
95
95
95
89
84
76
74
71
72
72
75
73
66
67
64
64
64
60

Precipitation Amount (mm)

0.6
0.9
1.2
1.2
1.1
1
0.9
0.7
0.6
0.5
0.5
0.3
0.3
0.3
0.4
0.3
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
3
3
3
2
2
2
3
2
2
2
2
2
2
2
2
2

Feels Like (°C)

1
1
1
1
1
1
0
0
0
-1
-2
-2
-1
-1
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3

Dew Point (°C)

3
3
3
3
3
3
3
3
3
2
2
1
2
2
2
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

91
91
93
94
96
94
94
94
94
96
94
94
94
94
94
94
94
96
96
96
94
94
94
94

Pressure (mb)

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

Ozone (du)

375
378
379
382
384
384
382
380
380
377
377
378
380
381
380
380
381
380
381
381
381
382
381
380

Wednesday 24

Waxing Crescent 28%

10:41

21:39

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
19 Bad
20 Bad
21 Bad
22 OK

Sun - Rise: 07:30, Set: 15:58, Transit: 11:44. Moon - Rise: 10:41, Set: 21:39. Civil Dark: 16:34 - 06:54. Nautical Dark: 17:13 - 06:15. Astro Dark: 17:51 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
97
96
96
96
96
86
76
68
67
62
61
50
36
15
2

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
94
91
91
91
91
76
60
44
30
15
0
0
0
0
0

Medium Clouds (% Sky Obscured)

92
87
80
49
5
14
37
53
29
35
29
49
82
17
13
10
11
11
10
10
10
8
5
2

High Clouds (% Sky Obscured)

18
15
15
6
6
3
2
25
17
25
50
55
49
16
14
13
10
10
9
7
5
3
2
1

ISS Passover

Visibility (miles)

0
0
0
1
2
2
9
9
9
9
9
9
9
9
9
9
9
9
6
3
1
0
0
0

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
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
46
39
21
27
28
18
11
11
9
8
11
10
8
12
13
11
14
18
22
20
19
19
17

Precipitation Amount (mm)

0.3
0
0.1
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
8
7
7
7
8
8
8
8
8
8
8
8
7
7
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

2
2
2
3
3
3
3
3
3
3
3
3
4
4
5
4
4
4
4
3
3
2
2
1

Feels Like (°C)

-2
-2
-2
-2
-2
-1
-1
-2
-2
-2
-1
-1
-1
-0
1
0
1
0
-0
-1
-1
-2
-2
-2

Dew Point (°C)

1
2
2
2
1
1
1
-0
-1
-1
-1
-1
-1
0
1
1
1
1
2
1
2
1
1
0

Relative Humidity (%)

94
96
96
93
91
89
88
82
79
76
73
73
72
75
78
79
80
82
86
89
93
94
94
93

Pressure (mb)

1024
1025
1025
1026
1026
1026
1027
1027
1027
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030

Ozone (du)

381
381
382
382
381
379
377
377
379
379
381
381
380
378
373
371
368
365
365
364
363
366
369
372

Thursday 25

Waxing Crescent 38%

10:57

22:53

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

Sun - Rise: 07:30, Set: 15:59, Transit: 11:45. Moon - Rise: 10:57, Set: 22:53. Civil Dark: 16:35 - 06:55. Nautical Dark: 17:14 - 06:16. Astro Dark: 17:51 - 05:38

Total Clouds (% Sky Obscured)

5
7
5
2
0
2
4
5
21
36
52
44
36
28
22
16
10
24
39
53
65
76
88
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
4
5
4
2
0
0
0
0
5
5
5
18
30
42
28
14
0
14

Medium Clouds (% Sky Obscured)

3
1
2
1
0
0
0
0
0
0
0
0
0
0
9
16
10
24
39
53
65
76
88
72

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
21
36
52
44
36
28
22
16
10
24
39
53
45
21
3
2

ISS Passover

Visibility (miles)

3
6
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 (%)

14
9
8
7
7
5
3
1
1
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
3
3
3
2
2
2
2
2
2
2
2
3
3
4
5
5
5
5
5
6
5
5
5

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
0
1
1
2
3
4
4
4
4
4
3
3
2
2
2
2

Feels Like (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
0
1
1
2
1
1
0
0
-0
-2
-1
-1

Dew Point (°C)

0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
1
2
2
2
1
1
0
0
-1
-1
-1
-1

Relative Humidity (%)

93
91
91
89
91
91
89
91
91
89
88
88
88
86
85
85
83
80
82
83
83
83
83
83

Pressure (mb)

1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1025
1024
1024
1023
1023
1022
1022
1022
1022
1021
1021

Ozone (du)

371
370
369
366
363
361
359
358
357
354
351
348
346
345
343
344
344
345
344
343
342
342
342
341

Friday 26

Waxing Crescent 49%

11:13

22:53

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

Sun - Rise: 07:31, Set: 16:00, Transit: 11:45. Moon - Rise: 11:13, Set: 22:53. Civil Dark: 16:36 - 06:55. Nautical Dark: 17:15 - 06:16. Astro Dark: 17:52 - 05:39

Total Clouds (% Sky Obscured)

56
41
43
45
47
47
47
48
32
16
0
0
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

27
41
43
45
47
47
47
48
32
16
0
0
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
33
22
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
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

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
1
1
1
1
1
1
1
0
1
1
1
2
2
3
3
3
3
2
2

Feels Like (°C)

-1
-1
-0
-2
-2
-2
-2
-1
-2
-3
-2
-3
-2
-2
-2
1
1
1
1
1

Dew Point (°C)

-1
-1
-2
-2
-2
-3
-4
-5
-6
-6
-6
-6
-5
-5
-4
-4
-3
-3
-3
-2

Relative Humidity (%)

83
83
81
80
78
77
71
66
61
61
61
60
60
60
61
63
64
67
72
76

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

340
339
338
336
335
333
330
328
325
321
318
314
316
318
320
319
319
319
322
326

Forecast for Érd, Hungary (47.39,18.90)

Generated: 20/12/25 23:54:14. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+1.00