Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 43%

10:23

01:15

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

Sun - Rise: 06:40, Set: 17:47, Transit: 12:14. Moon - Rise: 10:23, Set: 01:15. Civil Dark: 18:14 - 06:13. Nautical Dark: 18:46 - 05:41. Astro Dark: 19:17 - 05:10

Total Clouds (% Sky Obscured)

75
81
85
87
95
100
100
56
70
69
50
32
14
10
7
7
9
17
22
37
44
48
40
35

Low Clouds (% Sky Obscured)

18
44
54
66
33
36
45
36
37
51
36
25
13
9
6
6
8
17
21
37
29
43
40
35

Medium Clouds (% Sky Obscured)

75
81
85
76
50
23
4
5
0
2
0
2
4
0
0
0
0
0
4
0
0
1
4
35

High Clouds (% Sky Obscured)

75
81
85
50
80
100
100
19
33
30
0
0
0
0
0
0
0
0
0
0
3
3
2
35

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 (%)

21
1
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)

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

Chance of Frost

Temperature (°C)

3
2
2
0
-1
-1
-2
-2
-2
-3
-4
-4
-5
-6
-6
-7
-8
-8
-7
-6
-5
-4
-3
-3

Feels Like (°C)

-3
-4
-5
-6
-7
-8
-7
-8
-7
-8
-9
-9
-9
-11
-11
-12
-13
-12
-11
-11
-11
-10
-8
-8

Dew Point (°C)

1
-1
-1
-3
-4
-4
-4
-4
-5
-5
-6
-6
-7
-8
-9
-10
-10
-10
-9
-9
-8
-8
-7
-7

Relative Humidity (%)

85
82
81
81
81
83
83
84
84
87
86
85
85
85
84
82
82
83
83
80
77
75
73
73

Pressure (mb)

1005
1006
1007
1008
1010
1010
1011
1011
1011
1011
1012
1013
1013
1013
1014
1015
1015
1016
1017
1016
1016
1016
1015
1015

Ozone (du)

413
418
423
422
416
411
413
419
421
413
407
412
430
431
434
430
428
425
429
429
427
427
426
427

Tuesday 24

First Quarter 55%

11:17

02:28

15 OK
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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:39, Set: 17:48, Transit: 12:14. Moon - Rise: 11:17, Set: 02:28. Civil Dark: 18:15 - 06:12. Nautical Dark: 18:47 - 05:40. Astro Dark: 19:18 - 05:09

Total Clouds (% Sky Obscured)

22
65
61
39
74
68
100
76
100
100
100
100
100
100
100
100
95
90
89
90
74
60
72
45

Low Clouds (% Sky Obscured)

5
5
5
4
2
3
2
1
3
25
100
72
98
74
68
81
75
67
76
69
60
56
71
40

Medium Clouds (% Sky Obscured)

7
11
23
14
3
42
59
54
89
100
100
100
100
100
100
100
94
85
79
83
65
8
6
23

High Clouds (% Sky Obscured)

6
65
0
3
74
21
100
28
100
100
100
100
100
100
100
100
20
28
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
2
3
1
5
7
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
15
57
46
27
11
8
6
11
4
2
0
1
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
8
5
4
3
4
6
7
9
10
11
11
10
9
9
9
10
10
9
10
10
10
13

Chance of Frost

Temperature (°C)

-2
-2
-2
-3
-4
-4
-4
-4
-4
-3
-3
-2
-2
-1
-1
-1
-0
1
1
2
3
4
6
6

Feels Like (°C)

-7
-6
-5
-5
-6
-6
-6
-8
-7
-8
-8
-7
-7
-6
-6
-5
-5
-4
-3
-3
-1
0
2
3

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
91
90
90
92
89
87
86
87
87
89
92
92
94
94
92
96
96
96
93
88
81

Pressure (mb)

1015
1014
1014
1015
1014
1014
1013
1013
1012
1011
1010
1008
1007
1007
1006
1006
1006
1006
1005
1005
1005
1005
1004
1004

Ozone (du)

428
427
426
427
428
431
430
430
431
428
427
425
421
416
411
412
412
416
419
423
427
427
427
425

Wednesday 25

Waxing Gibbous 67%

12:22

03:32

15 OK
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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:37, Set: 17:49, Transit: 12:14. Moon - Rise: 12:22, Set: 03:32. Civil Dark: 18:16 - 06:10. Nautical Dark: 18:48 - 05:39. Astro Dark: 19:19 - 05:07

Total Clouds (% Sky Obscured)

23
61
64
52
31
43
68
100
93
74
80
77
90
77
79
78
75
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

23
51
40
10
7
6
5
5
4
1
0
1
12
1
1
68
75
83
95
95
99
99
98
96

Medium Clouds (% Sky Obscured)

1
42
31
17
29
26
0
0
0
0
0
65
45
30
30
20
15
18
99
100
99
98
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
27
70
75
74
80
77
80
77
79
78
75
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

4
18
22
22
20
23
69
36
28
4
0
0
0
0
8
21
37
51
60
57
53
49
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.8
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0.4
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
6
5
4
3
3
3
3
3
2
2
2
2
1
-0
-0
0
1
1
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

4
4
5
4
3
3
2
2
1
1
1
0
1
-1
-1
-3
-4
-4
-4
-6
-7
-7
-7
-5

Relative Humidity (%)

78
79
88
90
91
94
94
94
88
86
91
91
91
83
88
84
74
74
69
60
55
54
53
59

Pressure (mb)

1003
1004
1004
1005
1006
1007
1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1012
1011
1010
1009
1009

Ozone (du)

426
427
431
432
433
436
440
443
445
447
448
446
444
437
436
438
441
444
447
443
438
433
429
426

Thursday 26

Waxing Gibbous 78%

13:35

04:25

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 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 06:36, Set: 17:50, Transit: 12:14. Moon - Rise: 13:35, Set: 04:25. Civil Dark: 18:17 - 06:09. Nautical Dark: 18:49 - 05:37. Astro Dark: 19:20 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
93
84
50
50
48
48
42
42
44
32
28
32
30
39
41
29
19

Low Clouds (% Sky Obscured)

95
95
93
93
91
89
85
80
72
50
50
48
48
42
42
44
32
28
32
30
39
41
29
17

Medium Clouds (% Sky Obscured)

100
99
99
99
94
90
26
22
10
5
4
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
85
80
50
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
9
2
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

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

Precipitation Probability (%)

95
95
95
95
95
88
54
42
34
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

2.3
3.2
2.6
2
1.6
0.5
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
0
0
0
-0
-0
-1
-1
-2
-2
-3
-3
-4
-4
-5
-6
-6
-5
-3
-2
-1
-0
0
1

Feels Like (°C)

-3
-3
-4
-4
-4
-4
-4
-5
-6
-5
-5
-6
-6
-6
-7
-8
-8
-6
-5
-4
-3
-2
-1
0

Dew Point (°C)

-1
-0
0
-0
-1
-1
-1
-2
-2
-2
-4
-4
-5
-5
-6
-7
-7
-6
-6
-5
-4
-2
-1
0

Relative Humidity (%)

91
96
98
98
98
98
98
96
94
94
94
92
91
92
92
92
92
89
82
82
83
86
89
93

Pressure (mb)

1008
1007
1007
1008
1009
1009
1011
1011
1012
1014
1015
1015
1016
1017
1018
1019
1020
1021
1022
1023
1023
1023
1023
1023

Ozone (du)

423
424
426
425
427
428
423
422
419
418
415
413
411
410
412
415
422
418
411
403
398
396
392
388

Friday 27

Waxing Gibbous 87%

14:50

05:08

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

Sun - Rise: 06:34, Set: 17:51, Transit: 12:13. Moon - Rise: 14:50, Set: 05:08. Civil Dark: 18:18 - 06:07. Nautical Dark: 18:50 - 05:36. Astro Dark: 19:21 - 05:04

Total Clouds (% Sky Obscured)

6
2
2
3
4
4
4
8
13
15
13
12
11
11
9
17
43
73
95
90
80
55
55
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
5
6
7
5
4
4
1
1
2
2
2
2
2
1

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
1
0
0
3
8
8
7
6
4
9
9
17
28
23
25
0
5
10
10
10

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)

5
5
4
3
3
3
3
4
4
5
5
4
4
4
3
3
3
4
4
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
1
0
-2
-2
-3
-3
-3
-4
-5
-5
-6
-6
-6
-6
-6
-6
-5
-4
-4
-3
-2
-1
2

Dew Point (°C)

1
1
-0
-1
-2
-3
-3
-3
-4
-4
-4
-5
-4
-5
-5
-5
-5
-3
-1
0
1
3
4
4

Relative Humidity (%)

98
96
91
96
96
96
96
96
96
96
96
96
98
96
96
96
96
94
94
94
93
93
93
94

Pressure (mb)

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

Ozone (du)

387
383
382
379
376
373
373
372
370
370
369
369
368
367
368
369
371
371
371
372
370
368
366
367

Saturday 28

Waxing Gibbous 94%

No Rise

05:41

15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
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 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:33, Set: 17:52, Transit: 12:13. Moon - Rise: No Rise, Set: 05:41. Civil Dark: 18:20 - 06:06. Nautical Dark: 18:51 - 05:34. Astro Dark: 19:22 - 05:03

Total Clouds (% Sky Obscured)

15
9
0
3
0
4
9
7
9
11
16
37
53
66
80
90
93
97
100
100
99
98
93
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
2
3
6
8
10
23
49
90
93
97
99
94
89
84
61
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
2
4
10
12
9
6
4
2

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
1
1
2
2
2
1
0
0
1
2
4
33
59
86
73
61

ISS Passover

Visibility (miles)

9
9
9
8
7
6
4
3
5
7
9
6
3
0
0
0
0
3
6
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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

6
7
6
5
3
3
2
1
1
1
0
1
1
2
2
2
2
2
2
1
2
3
3
3

Feels Like (°C)

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

Dew Point (°C)

5
6
6
5
3
3
2
1
1
0
-0
0
1
1
2
1
2
1
1
0
-1
-2
-3
-4

Relative Humidity (%)

94
94
96
98
98
98
98
98
98
98
96
96
98
98
100
98
100
96
93
91
80
72
65
62

Pressure (mb)

1021
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1024
1025
1025
1025
1026
1026

Ozone (du)

368
369
370
371
372
373
375
376
372
367
363
363
363
364
363
362
361
361
360
360
361
361
361
361

Sunday 1

Waxing Gibbous 98%

16:04

06:09

15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:31, Set: 17:53, Transit: 12:13. Moon - Rise: 16:04, Set: 06:09. Civil Dark: 18:21 - 06:04. Nautical Dark: 18:52 - 05:33. Astro Dark: 19:23 - 05:01

Total Clouds (% Sky Obscured)

86
67
46
23
32
39
49
61
73
75
76
77
77
85
97
100

Low Clouds (% Sky Obscured)

16
11
6
0
0
0
0
6
9
15
21
31
38
43
49
70

Medium Clouds (% Sky Obscured)

0
0
0
0
11
22
33
54
73
75
76
77
77
83
91
99

High Clouds (% Sky Obscured)

45
30
17
5
32
39
49
57
37
14
11
14
22
50
68
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

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
0
0
0
0
3
6
7
8
8
13
16
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
2
1
-1
-2
-3
-4
-5
-5
-6
-6
-7
-7
-7
-7
-7

Feels Like (°C)

-2
-3
-3
-3
-3
-7
-8
-8
-9
-9
-9
-13
-12
-12
-12
-13

Dew Point (°C)

-5
-6
-7
-9
-10
-11
-13
-14
-15
-16
-16
-16
-15
-15
-15
-16

Relative Humidity (%)

58
54
55
55
56
52
50
48
47
46
45
48
50
52
51
49

Pressure (mb)

1027
1028
1029
1031
1032
1033
1034
1035
1035
1036
1036
1036
1037
1037
1037
1038

Ozone (du)

361
361
361
361
361
364
368
371
366
362
357
354
350
347
342
337

Forecast for Washington Park, Montgomery County, United States of America (40.10,-75.38)

Generated: 23/02/26 14:48:08. Forecast: 23/02/26 to 01/03/26. Timezone: UTC-5.00